Minerals
Gunnar Färber
Minerals
Gunnar Färber
| Babingtonite xx | Nesselhof Quarry, Schnellbach, Schmalkalden, Thuringia / Germany; black high lustrous crystals of 4 mm, with some greenish Pumpellyite-(Fe2+) on Prehnite-Calcite matrix. Old specimens collect in 1984; MM 12,00; KS 28,00 |
| Babkinit (xx) | Falun Mine, Falun, Borlänge, Dalarna / Schweden; weiß metallische um 1 mm große Kristalle neben Chalkopyrit in Quarz Actinolit Matrix. Das höchste seltene Selen reiche Pb-Bi-Sulfid kennt man von Falun bisher nur aus einer einzigen ca. 150 Jahre alten Museumsstufe, nur wenige Proben verfügbar; MM 148,00 |
| Baghdadite (xx) | Fuka Mine, Bicchu-cho, Takahashi, Okayama, Honshu Island / Japan; glassy pale beige (under UV light yellow) crystal aggregates of 5 mm in Calcite matrix. Outstandingly good specimens; MM 38,00; KS 75,00 |
| Baileychlore xx | Tysfjord, Nordland / Norway; dark brownish 3 mm aggregates of intergrown minute tabular crystals together with a white clay mineral in Calcite matrix; MM 28,00; KS 48,00 |
| Baileychlore xx | Christiana Mine, Kamariza, Laurion, Attika / Greece; botryoidal pale blue crystal aggregates of intergrown small tabular crystals, very rich on Calcite-Limonite matrix. Extremely good specimens of this rare Zinc-silicate; KS 38,00; NS 65,00 |
| Bakerite (xx) | Corkscrew Canyon, Black Mts, Furnace Creek, Death Valley, Inyo Co., California / USA / TYP; white porcelacerous massive aggregates of pure Bakarite from the Type-location, of the rare Ca-B-Silicate, very old specimens; KS 28,00; NS 38,00 |
| Banalsite (xx) | Benallt Mine, Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales / UK / TYP; massive pale brownish 2 cm aggregates of pure Banalsite, with some pinkish Tephroite, brownish Alleghanyite and black Jacobsite; MM 19,00; KS 38,00 |
| Banalsite (xx) | Benallt Mine, Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales / UK / TYP; massive pale brownish aggregates of Banalsite (fluorescent intensive dark red), with some pinkish Tephroite, brownish Allehganyite and black Jacobsite. Very rich specimens of this rare Barium-Feldspar; KS 28,00; NS 48,00 |
| Bannermanite xls | Agios Konstantinos, Lavrion District slag localities, Attika Pref. / Greece; this extremely rare Sodium-Vanadate forms euhedral lath-like crystals to 4 mm, intergrown to radial acicular nearly massive crystals of 2 cm of pure Bannermanite. Outstanding specimens of this rare species; KS 95,00 |
| Bannisterite X | Broken Hill Mine, Broken Hill, Yancowinna Co., New South Wales / Australia; dark brownish highly lustrous tabular single crystals of 2 cm !!!. Outstanding specimens of this uncommon silicate; KS 38,00 |
| Baotite xx (xx) | Bayan Obo Mine, Baotou, Inner Mongolia Prov. / China / TYP; glassy dark brownish blocky aggregates of 1 cm in Quartz matrix; KS 38,00; NS 85,00 |
| Barahonaite-(Al) xx | Gold Hill Mine, Gold Hill, Deep Creek Mts., Tooele Co., Utah / USA; pale blue, highly lustrous botryoidal crystal-aggregates to 0,5 mm, very rich on glassy Allophane on vugs in pale brownish Rhyolite. The specimens from Gold Hill are much better than the specimens from the Type location in Portugal; KS 28,00; NS 48,00 |
| Baratovite xls | Darai-Pioz Glacier, Alai Range, Tien Shan Mts / Tajikistan / TYP; pale-pinkish tabular mica-like crystal aggregates of 1 cm, very rich in Albite Aegirine matrix. Very good specimens of this rare Lithium-Calcium-Titanium-Silicate (bright blue in UV light); |
| Bariopharmakosiderite xx | Leimgrübner vein, Ehrenfriedersdorf, Erzgebirge, Saxony / Germany; pale brownish glassy cubic crystals and crystal aggregates of 1 mm, very rich on vugs in Quartz matrix; KS 19,00; NS 28,00 |
| Barite X | Manaus, Rio Negro, Amazon rain forest, Amazonas / Brazil; highly lustrous colorless transparent gemmy crystals of 3 cm (KS) to 4 cm (NS) from the middle of the Amazon rain forest, a really weird location; KS 28,00; NS 38,00 |
| Barite xls | Flußschacht Mine, Level 9 East, Rottleberode, Stolberg, Harz, Saxony Anhalt / Germany; colorless to white bright luster long prismatic double terminated crystals of 5 cm x 2 cm, grown on hale brownish Siderite crystals to 1,5 cm, on massive Siderite matrix. Old time specimens collect around 1920; HS 225,00 |
| Barite xx | Mina Bajo Trapalco, Regina, Central Rio Negro Prov. / Argentinia; Stalactites made of Barite crystals !!. White to very pale blue crystals intergrown to zonar growing stalactites of (4 x 1,5 cm KS) to (6 x 2 cm NS). Stalactites of Barite was before compliably unknown; KS 38,00; NS 75,00 |
| Barite xx | Zletovo Mine, Probistip, Mangovica Mts., Stip / Macedonia; very nice crystal clusters of highly lustrous pale brownish |
| Barnesite xx | Agios Konstantinos, Lavrion District slag localities, Attika Pref. / Greece; dark reddish brown needle crystals, inter grown to several square centimeter large crystal aggregates, very rich on Trevorite-Nosean matrix. Very good and rich specimens from a new find; |
| Barrerite xx | Cantung Mine, Tungsten, Flat River, Nahanni Range, NWT / Canada; colourless to white high lustrous crystals of 2 mm very rich as a kind of perimorphus crystal crust on tabular Calcite crystals to 1 cm and schist rock matrix; KS 28,00; NS 38,00 |
| Barroisite xls | Orofino, Clearwater Co., Idaho / USA; dark green long prismatic to acicular crystals of 3 mm, very rich (appro. 50 Vol%) in Quartz-Kyanite matrix; KS 19,00; NS 38,00; HS 65,00 |
| Barylite (xx) | Langban, Filipstad, Värmland / Sweden / TYP; glassy white crystals of 5 mm in pale pinkish Tilasite matrix; KS 75,00 |
| Barysilite xx | Norbotten Working, Langban, Värmland / Sweden / TYP; white tabular crystals of 4 mm, very rich on fracture zones in Garnet-Manganopyllite matrix. Outstanding old specimens of this rare Pb-Silicate; KS 75,00 |
| Bassanite (xx) | Al-Ghubra Gypsum Mine, Al Ghubra, Muscat, Muscat Prov. / Oman; pale beige microcrystalline aggregates on fractures in large colorless gypsum crystals. Grown through intensive sunlight on the surfaces; KS 28,00; NS 38,00 |
| Bassetit xx | Weißer Hirsch, Schneeberg, Erzgebirge, Sachsen / Deutschland; hellbraune tafelige um 1 mm große Kristalle, als lamellare Verwachsung mit grünlich-gelben Saleeit Kristallen (TYP-Lokalität) sehr reich auf Kluftzonen; MM 38,00; KS 65,00 |
| Bastnäsite-(Ce) (xx) | Bastnäs Mine, Riddarhyttan, Skinnskatteberg, Västmanland / Schweden / TYP; glassy yellowish- brown aggregates of 5 mm in massive violet-brown Cerite-(Ce) and black Ferriallanite-(Ce); KS 28,00 |
| Bastnäsite-(Ce) xl | Zagi Mountain, Hameed Abad Kafoor Dheri, Pechawar, North-West Frontier Prov. / Pakistan; brown bright luster transparent gemmy hexagonal single crystals of 1,2 cm (MM) up to 2,5 cm (KS). Pretty crystals from a new find; MM 14,00; KS 38,00 |
| Baumhauerite xx | Lengenbach Quarry, Imfeld, Binn Valley, Wallis / Switzerland / TYP; highly lustrous striated dark grey-metallic prismatic crystals of 5 mm (KS) to 8 mm (NS) with some Realgar in vugs in Dolomite matrix. Very good old specimens from 1972; KS 125,00; NS 225,00 |
| Baumhauerite xx | Lengenbach Quarry, Imfeld, Binn Valley, Wallis / Switzerland / TYP; dark grey metallic striated prismatic crystal of 5 mm on Dolomite matrix; NS 48,00 |
| Bauranoit (xx) | Oktyabr'skoe, Krasnokamensk, Transbaikalia, Eastern-Siberian / Rußland / TYP; orange-braune glasige Aggregate in rotbrauner Felsit Matrix; kleine MMs 48,00 |
| Bavenite xls | Malyshevskaya, Izumrudnye Kopi, Malyshevo, Ural Mts. / Russia; silky white radial tabular crystal aggregates of 1 cm very rich on Albite matrix; KS 28,00 |
| Bavsiite xls | Gun Claim, 4 km s/e of Wilson Lake, 16 km s/e of Mt. Itsi, 155 km n/e of Ross River, Yukon Territory / Canada / TYP; tabular glassy blue crystals of 0,5 mm, together with green Suzukiite on Celsian-Witherite matrix. This new very rare Barium-Vanadium-Silicate was discovered by me during an expedition to the Gun Claim Barium-silicate occurrence in August 2012; |
| Bayleyite xls | Yellow Cat, Thompson District, Grand Co., Utah / USA; this rare Mg-Uranyl-Carbonate occurs as bright yellow needle crystals up to 0,5 mm on fracture zones on Sandstone matrix; KS 38,00 |
| Bazirite xx | Big Creek, Pine Flat Lake, Trimmer, Fresno Co., California / USA; this quite rare Barium-Zirconium-Silicate forms colorless, but under UV light bright pale blue fluorescent crystals of 0,5 mm in white Sanbornite Quartz matrix, where the inter grown Bazirite crystals are seen by their bright blue fluorescence; KS 38,00; NS 65,00 |
| Belakovskiite xls | Blue Lizard Mine, Chocolate Drop, Red Canyon, San Juan Co., Utah / USA / TYP; this new very rare Sodium-Uranyl-sulfate with a SO3 group occurs as pale yellow needle crystals of 1 mm on a Blödite-Metavoltine matrix; MM 48,00 |
| Bellbergite xx | Caspar Quarry, Bellerberg, Ettringen, Eifel Mts., Rhineland-Palatinate / Germany / TYP; colorless to white spindle crystals on vugs in Mellite Feldspar-Augite matrix; MM 38,00 |
| Belloit xx | Mina La Vandida, Caracoles, Sierra Gorda, II Region, Atacama Desert / Chile / TYP; olivgrüne hochglänzende glasige um 1 mm große Kristalle sehr reich als dichte Kristallpartien auf großen Spaltzonen in brauner Matrix. Begleitet von dunkelgrünem Paratacamit. Hervorragende Exemplare aus einem Neufund; KS 48,00; NS 95,00 |
| Benavidesite xls | Osikovo Mine, Sasa, Osogovski Mts., Kocani / Macedonia; grey metallic needle crystals of 1 mm, intergrown with some Boulangerite on a Sphalerite-Calcite Quartz matrix. Quite good specimens of this rare Manganese analogue of Jamesonite; KS 75,00 |
| Bentorite xls | Hatrurim Formation, west of Death Sea, Negev Desert / Israel /TYP; this rare Calcium-Chromium-Sulfate forms violet crystal aggregates of 1,5 cm, on white Larnite matrix.Pretty specimens; KS 28,00; NS 75,00 |
| Bentorite xx | Hatrurim Formation, west of Death Sea, Negev Desert / Israel / TYP; pinkish crystals to 1 mm intergrown to massive aggregates, very rich in white Larnite matrix; KS 38,00; NS 75,00 |
| Benyacarite xx | Mina El Criollo, Cerro Blanco, Tanti, Punilla Dept., Córdoba / Argentina / TYP; pale yellowish crystal aggregates of 5 mm, very rich with some pale pinkish Strengite, green Hentschelite and black Lipscombite in white Apatite matrix; KS 48,00; NS 95,00 |
| Beraunite xls | Leveäniemi Mine, Svappavaara, Kiruna, Lappland / Sweden; dark green radial acicular ball-like crystal aggregates of 3 mm on vugs in Magnetite-Hematite matrix, old specimens collect around 1980; KS 19,00; NS 38,00 |
| Beraunite xx | Maffei Mine, Nitzelbuch, Auerbach, Upper Palatinate, Bavaria / Germany; highly lustrous red-brown long-tabular crystals of 1 cm !!, parallel inter growing in brownish iron ore matrix. Old specimens from a rare location; KS 38,00 |
| Berezovskite xx | Bacuri Complex, Vila Nova, Mazagão, Amapá, Amazon rain forest / Brazil; black bi-pyramidal crystals to 1 mm, very rich in pale green Serpentinite; KS 19,00 |
| Bernardite xx | Crven Dol Mine, Allchar, Majdan, Kavadarci, Roszdan / Macedonia / TYP; highly lustrous black-metallic microcrystalline aggregates as intergrowths with dark red Lorandite in yellow Orpiment matrix; KS 125,00 |
| Berthierine (xx) | South Bay, Scarborough, North Yorkshire, England / UK; greenish-grey massive aggregates of pure Berthierine with waxy luster, together with 2 mm intergrown crystal aggregates of reddish-brown Siderite; KS 28,00; NS 48,00 |
| Berthierite xx | Neue Hoffnung Gottes Mine, Bräunsdorf, Freiberg, Erzgebirge, Saxony / Germany; blue grey metallic needle crystals up to 2 cm, very rich as acicular aggregates in Quartz matrix; KS 19,00; NS 48,00 |
| Bertossaite (xx) | Buranga Pegmatite, Gatumba, Giseny Prov. / Rwanda / TYP; this very rare Li-Ca-Al-Phosphate forms colorless to very pale pinkish uneven to subconchoidal inter grown grains of 2 mm, very rich together with pale bluish Burangaite, blue Scorzalite and dark greenish Gormanite, in Augelite-Trolleite matrix; MM ; KS 38,00; NS 65,00 |
| Beryl xl | Sherlovaya Gora, Adun-Cholon Range, Nerchinsk, Transbaikalia, Eastern-Siberian Region / Russia; clear gemmy pale blue crystals of 2,5 cm. Collected around 1900; KS 28,00 |
| Beryl xl "Emerald" | Khenj Mine, Bazarak, Panjsher Valley, Panjsher Prov. / Afghanistan; green prismatic single crystals of 1,2 cm (MM) to |
| Beryl xls | Ponte de Lajedão, Catuji, Mucuri Valley, Minas Gerais/ Brazil; colorless long prismatic well terminated crystals of 3 cm with some brownish Muscovite on white Albite matrix. Nice specimens from a rare location; KS 19,00; NS 38,00 |
| Beryllite xx | Kuannersuit Plateau, Ilimaussaq Complex, Narsaq, Kitaa Prov. / Greenland; fibrous white crystal aggregates, very rich together with some brownish Neptunite on Albite matrix; KS 28,00; NS 48,00 |
| Beryllonite xx | Lavra de Joao Firmino, Linopolis, Divino das Laranjeiras, Minas Gerais / Brazil; colorless transparent gemmy prismatic twinned single crystals of 1 cm (MM) to 2 cm (KS); MM 19,00; KS 48,00 |
| Beryllonite xx | Ponte do Piauí Claim, Córrego do Piauí, Itinga, Minas Gerais / Brazil; colorless to white long-prismatic hexagonal crystals to |
| Berzelianite xx | Bukov Mine, Rozna, Vysocina, Moravia / Czech Republic; black metallic bright luster crystal aggregates up to 1 cm, very rich in Calcite matrix. Quite rich specimen for the uncommon Copper-Selenide; KS 38,00 |
| Berzeliite (xx) | Langban, Filipstad, Värmland / Sweden / TYP; glassy yellow crystal aggregates of 2 cm in Calcite-Hausmannite matrix; |
| Betpakdalite-CaMg xx | Sadisdorf, Schmiedeberg, Erzgebirge, Saxony / Germany; yellow micro crystalline aggregates very rich on fracture zones on Quartz matrix. Modern chemical analyses shows the Betpakdalite from Sadisdorf are identical with the new mineral Betpakdalit-CaMg from Tsumeb; KS 65,00; NS 125,00 |
| Beyerite xls | Mesopotamia 504, Mesopotamia Copper Valley, Khorixas, Kunene Region / Namibia; this rare Ca-Bi-Carbonate occurs as aggregates of glassy pale yellow micro crystals, together with green Brochantite on cracks on Quartz; KS 19,00; NS 28,00 |
| Beyerite xls | Stamm Asser Mine, Graul, Schwarzenberg, Erzgebirge, Saxony / Germany; white to pale beige microcrystalline fibrous crystal aggregates of 5 mm, very rich on cavities in brownish Quartz matrix. Very old samples collected around 1900; KS 28,00 |
| Bigcreekite xx | Mina la Madrelena, Tres Pozos, El Condor, Baja California Norte / Mexico; this extremely rare Barium silicate occurs as a 1 mm thick vein of bright lustrous colorless to white crystals in a Sanbornite-Gillespite-Quartz matrix. Very good specimens; |
| Bismuthinite xls | Princess Mine, Moina District, Tasmania / Australia; grey-metallic acicular crystal aggregates of 2 cm together with some native Bismuth on Quartz matrix. Old specimens from a rare location; KS 38,00; NS 65,00 |
| Bismuthinite xx | Alin Do deposit, Aldinac, Knjazevac / Serbia; grey metallic crystal aggregates of 3 cm in massive yellow metallic Pyrite matrix, very unusual and rare location; KS 28,00; NS 48,00 |
| Bismuthinite xx | Wolframite Mine, Pechtelsgrün, Lengenfeld, Vogtland, Saxony / Germany; grey metallic crystals of 3 cm x 1 cm in Pyrite-Quartz matrix. Two old specimens, collected in the 1970s; NS 38,00; HS 65,00 |
| Bismutite xx | Lavra de Itamotinga, Juazeiro, Bahia / Brazil; greenish glassy aggregates of almost amorphous Bismutite, on pale green acicular aggregates of Bismutite Pseudomorph after Bismuthinite, exceptional material; MM 14,00; KS 28,00 |
| Bismutite xx | Alto de Furnas Pegmatite, Equador, Rio Grande do Norte / Brazil; massive waxy pale yellow aggregates of 2 cm, together with |
| Bismutoferrit (xx) | Weißer Hirsch, Schneeberg, Erzgebirge, Sachsen / Deutschland / TYP; "Pseudomorphosen nach Feder-Wismut", federartige um |
| Bismutoferrite (xx) | Weißer Hirsch Mine, Neustädtel, Schneeberg, Erzgebirge, Saxony / Germany / TYP; pale-olive-green micro crystalline Bismutoferrite aggregates, very rich in Quartz matrix; KS 28,00 |
| Blatonite xx | Yomac Mine, White Canyon, San Juan Co, Utah / USA / TYP; yellow needle crystals as thin aggregates to 4 mm on Gypsum; MM 38,00 |
| Blödite xx | Cholame Valley, San Andreas Rift Zone, San Luis Obispo. Co., California / USA; well terminated colourless to pale beige crystals of 1 cm, very rich on a matrix of massive Blödite. Rich specimens newly discovered in February 2014; |
| Bluelizardite xls | Blue Lizard Mine, Chocolate Drop, Red Canyon, San Juan Co., Utah / USA / TYP; this new Sodium-Uranyl-sulfate occurs as pale yellow needle crystal aggregates on a Sandstone matrix; MM 48,00 |
| Bobdownsite xx | Enderbury Island, Phoenix Archipelago, State of Kiribati / South Pacific; highly lustrous massive aggregates of intergrown crystals, notably as replacement of fossil shales. Enderbury Island is a very remote location: it is a uninhabited island approximately 1200 km north of Samoa; MM 48,00; KS 95,00 |
| Bobdownsite xx | Big Fish River, Richardson Mts., 150 km west of Inuvik, Yukon Territory / Canada / TYP; white transparent hexagonal tabular gemmy crystals of 1 cm, with some greenish Kulanite crystals and pale brownish Collinsite crystals and Quartz. Very rich and nice specimens; KS 38,00; NS 85,00 |
| Bobkingit (xx) | St Agnes, Cornwall, England / UK; hell-grünlich-blaue fein-kristalline schuppige Aggregate als Gemenge von Atacamit und etwas Bobkingit. Bobkingit von St. Agnes ist höchst selten und konnte bisher nur in einer ca. 100 Jahren alten Museumsprobe nachgewiesen werden; Capsel 75,00 |
| Bohdanowiczite (xx) | Liauzun, Olloix, Saint-Amant-Tallende, Puy-de-Dôme, Auvergne / France; dark-pinkish-grey metallic aggregates of 1 mm very rich with some blackish Uraninite in Calcite matrix, very good samples of the rare Ag-Bi-Selenid´s; MM 48,00 |
| Bohdanowiczite xls | Shaft 371, Schlema-Hartenstein, Erzgebirge, Saxony / Germany; the rare Ag-Bi-Selenide occurs a inter growing's with Clausthalite, very rich on Calcite matrix. Old, newly examined specimens; KS 48,00 |
| Bokite xx | Monument No. 2 Mine, Monument Valley, Apache Co., Arizona / USA; black-metallic crystal aggregates of 1 mm, together with reddish Navajoite, very rich in a Sandstone matrix; MM 28,00; KS 38,00 |
| Bonattite xx | La Compañia Mine, Caracoles, Sierra Gorda, II Region, Atacama Desert / Chile; pale blue micro-crystalline aggregates, very rich with pale brownish tabular Metavoltine crystals of 3 mm on an Andesine matrix; KS 28,00; NS 48,00 |
| Borax xx | U.S. Borax Mine, Boron, Kern Co., California / USA; colorless to white semi-transparent well-terminated single crystals of 2 cm (KS) to 3 cm (NS); KS 19,00; NS 28,00 |
| Borcarite xx | Huanggang Mine, Keshiketeng Co., Chifeng Pref., Inner Mongolia Region / China; highly lustrous greenish-blue doubly terminated single crystals of 1 cm (MM) and 2 cm (KS), with some colorless Cahnite crystals of 1 mm !! (only two specimens available); MM 148,00; KS 380,00 |
| Boromuscovite xx | Little Three Mine, Ramona, San Diego, California / USA / TYP; white aggregates of intergrowing tabular microcrystals, very rich on nearly colorless Elbaite (Achroite) crystals of 2 cm; KS 28,00 |
| Boscardinite xls | Monte Arsiccio Mine, Stazzema, Apuan Alps, Tuscany / Italien / TYP; black metallic 1 mm crystal aggrgat on Quartz Pyrite matrix; MM 75,00 |
| Bosoite (xls) | Arakawa, Minamiboso City, Chiba Pref., Kanto Region, Honshu Island / Japan / TYP; the new very rare SiO2 Phase, occurs as hexagonal micro inclusions in white Quartz; MM 125,00 |
| Botryogen xx | Mina Santa Elena, La Alcaparrosa, Calingasta, San Juan / Argentina; bright, long prismatic orange-red to orange-brownish crystals to 1,5 cm, very rich on massive Botryogen-Copiapite matrix. Very pretty specimens. This are the finest Bortyogen specimens I have seen for a long time; KS 38,00; NS 75,00; HS 165,00 |
| Botryogen xx | Mina Santa Elena, La Alcaparrosa, Calingasta, San Juan / Argentina; very nice crystal cluster of orange-red-brownish brightly lustrous long prismatic Botryogen crystals of 1,5 cm. Pretty specimens some with Copiapite and Parabutlerite; |
| Bournonite xx | Mina Mundo Nuevo, Huamachuco, Sanchez Carrion Prov., La Libertad Dept. / Peru; "Pseudomorph after Tetrahedrite": |
| Bournonite xx | Cavnic Mine, Cavnic, Maramureș Co. / Rumänien; grey metallic well terminated short prismatic crystals, very rich on Sphalerite Pyrite matrix, nice old specimen with historic old label; NS 38,00; HS 65,00 |
| Boyleite (xx) | Rammelsberg Mine, Goslar, Harz Mts., Lower Saxony / Germany; massive silky white crystal aggregates of a mixture of Boyleite (approx. 70 %) Gunningite (approx. 20%) and Bianchite (approx. 10 %); MM 28,00; KS 48,00 |
| Braccoite xls | La Valletta Mine, Valletta, Canosio, Maira Valley, Piedmont / Italy / TYP; this new rare Na-Mn-As-silicate occurs as glassy orange aggregates up to 2 mm in Quartz-Braunite matrix; MM 38,00 |
| Bracewellite (xx) | Merume River, Kamakusa, Mazaruni District / Guyana / TYP; Bracewellite (xx) inter grown with Guyanaite and Eskolaite as rounded massive black microcrystalline aggregates from an alluvial deposit. Capsules = 4 mm, MM = 8 mm; |
| Bradaczekite xls | Arsenatnaya Fumarole, Tolbachik Volcano, Kamchatka, Far-Eastern Region / Russia; this very rare Sodium-Copper-arsenate forms glassy blue crystals of 0,5 mm, very rich with colorless Aphthitalite and black metallic Tenorite on Scoria matrix; |
| Brandholzite xx | Kríznica Mine, Kríznica, Pernek, Malé Karpaty Mts. / Slovakia; colorless prismatic crystals up to 2 mm on Quartz-Stibnite matrix. Very good specimens of this very rare Mg-Sb minerals; MM 48,00 |
| Brandholzite xx | Kríznica Mine, Kríznica, Pernek, Malé Karpaty Mts. / Slovakia; colorless prismatic crystals to 3 mm on a Quartz-Stibnite matrix. Outstanding specimens from a new find of the best-known samples of this very rare Mg-Sb mineral; KS 38,00; NS 125,00; HS 650,00 |
| Brandtite xx | Sterling Mine, Sterling Hill, Ogdensburg, Sussex Co., New Jersey / USA; colorless needle crystals to 3 mm, very rich on a fracture zone on Franklinite-Calcite matrix; MM 28,00; KS 75,00 |
| Brannerite xx | La Gardette Mine, Bourg d' Oisans, Isère, Rhône-Alpes / Frankreich; black Brannerite crystals and aggregates of 2 mm together with native Gold in Quartz matrix. Very unique old specimens; small MMs 28,00; large MMs 48,00 |
| Brannerite xx | Kratka Valley, Gemerska Poloma, Roznava Co., Kosice Region / Slovakia; black long prismatic crystals of 5 mm in Quartz matrix; NS 48,00 |
| Braunite xx | Oehrenstock, Ilmenau, Thuringia / Germany; "Pseudomorph of Braunit crystals after Pyrolusite". Black bi-pyramidal crystals of 1 mm intergrown to acicular aggregates of replaced Pyrolusite crystal of 2 cm in white Barite matrix; KS 38,00 |
| Braunite-II (xx) | Gosalpur, Jabalpur Prov., Madhya Pradesh State / India; lustrous black semi-metallic massive crystal aggregates of pure Braunite-II; KS 19,00; NS 38,00 |
| Brazilianite xx | Jenipapo, Jequitinhonha Valley, Itinga, Minas Gerais / Brazil; gemmy transparent well terminated pale greenish single crystals of 2 cm (KS) to 2,5 cm (NS). Pretty specimens; KS 28,00; NS 38,00 |
| Brearleyite (xx) | Hatrurim, Negev Desert, Death Sea / Israel; this very rare Chlorine- bearing Calcium Aluminum Oxide is, together with Spurrite and Calcite, the main component on a very unusual type of black rock. The exact proof of this rare mineral was make by XRD and micro- chemical analyses; KS 85,00; NS 125,00 |
| Brewsterite-Sr xx | Whitesmith Mine, Strontian, North West Highlands, Scotland / UK / TYP; lustrous colorless prismatic crystals of 4 mm, very rich on Calcite matrix. Very good specimens; NS 28,00 |
| Brewsterite-Sr xx | Yellow Lake, Olalla, Osoyoos Mining Division, British Columbia / Canada; colorless prismatic crystals to 5 mm, very rich on vugs in Tachyte matrix. From a new find in summer of 2011; MM 19,00; KS 28,00 |
| Briartite (xx) | Tsumeb Mine, Tsumeb, Otavi Mts., Otjikoto Region / Namibia; inclusions of 200 µm with some Ge-Mawsonite very rich with grey metallic Tennantite in Quartz; MM 48,00 |
| Bridgmanite (xls) | Tenham meteorite, Tenham Station, South Gregory, Charters Towers Region, Queensland / Australia / TYP; Bridgmanite is probably the most common mineral of the lower Earth mantle zone at 670 km depth. But in available form the mineral is known only as tiny inclusions from shock-induced melt veins of the Tenham meteorite. It is very difficult because of the technology needed to demonstrate the presence of these high-pressure minerals, but they are always a part of the shock-induced melt veins; MM 125,00 |
| Brindleyite | Marmara bauxite deposit, Megara, Attiki Pref. / Greece / TYP; the extremely rare and only from the type-location Marmara correctly identified Nickel-silicate occurs here as greenish brown massive aggregates, inter grown with some Goethite; MM 95,00 |
| Britvinite xx | Langban, Värmland / Schweden / TYP; colorless highly lustrous tabular crystals of 2 mm in Hausmannite- Calcite matrix; MM 38,00 |
| Bromargyrite xls | Broken Hill, Yancowinna Co., New South Wales / Australia; greenish-yellow to brownish 3 mm large crystal aggregate, very rich on white Kaolinite matrix. Old newly examined specimens; MM 19,00; KS 28,00 |
| Brookite xl | Cementery Deposit, Magnet Crove, Hot Spring Co., Arkansas / USA; black bright luster oktaederic single crystals of 2 cm (KS) to 2,5 cm (NS). Very good crystals, collect around 1900; KS 28,00; NS 48,00 |
| Brookite xls | Cementery Deposit, Magnet Crove, Hot Spring Co., Arkansas / USA; the Titanium-oxide occurs here as black flat bi-pyramidal single crystals of 1 cm |
| Brookite xx | Curvelo, Minas Gerais / Brazil; pale brownish long tabular Brookite crystal of 1 cm, intergrown with a pseudomorph of "needle like Rutile crystals after long- tabular Brookite crystals", as a very nice aggregate included in a glass-clear Quartz crystal of 4 cm x 2 cm; NS 28,00 |
| Brownmillerite xx | Caspar Quarry, Bellerberg, Ettringen, Eifel Mts, Rhineland-Palatinate / Germany / TYP; dark reddish-brown aggregates of tiny crystals very rich on white matrix; KS 28,00 |
| Brucite xls | Killa Saifullah District, Kharan, Quetta, Balochistan / Pakistan; bright yellow, botryoidal prehnite-like crystal aggregates of 3 cm (KS), 5 cm (NS), 8 cm (HS) to 10 cm (MS) of pure Bucite (floater specimens). This are the finest specimens of Brucite I have ever seen. Really beautiful stunning pieces; KS 48,00; NS 85,00; HS 148,00; MS 450,00 |
| Brugnatellite xls | Mt. Ramazzo, Ponetedecimo, Genova, Liguria / Italy; the rare Mg-Fe-Hydrate occurs a pale brownish mica-like tabular crystal aggregates, very rich together with white Hydromagnesite on greenish Serpentinite matrix; KS 28,00; NS 48,00 |
| Brushite xx | Punta de Lobos, 90 km south of Iquique, I Region / Chile; pale yellow micro crystalline massive crystal aggregates of 2,5 cm (KS) to 4 cm (NS) of pure Brushite. These are the best and richest specimen of this uncommon Calcium Phosphate I have ever seen; KS 28,00; NS 48,00 |
| Bunnoite xls | Kamoyama Mine, Ino, Kochi Pref., Shikoku Island / Japan / TYP; the new very rare Manganese-Aluminum-Silicate occurs as yellowish-brown glassy crystal aggregates of 3 mm in Hematite-Quartz-Caryopilite matrix; KS 75,00 |
| Bunnoite xls | Kamoyama Mine, Ino, Kochi Pref., Shikoku Island / Japan / TYP; the new very rare Manganese-Aluminum-Silicate occurs as yellowish brown glassy crystal aggregates of 3 mm in Hematite-Quartz-Caryopilite matrix; MM 38,00; KS 75,00 |
| Bunnoite xls | Kamoyama Mine, Ino, Kochi Pref., Shikoku Island / Japan / TYP; this new very rare Manganese-Aluminium-silicate occurs as yellowish-brown glassy crystal aggregates in Hematite-Quartz-Caryopilite matrix; KS 125,00 |
| Burkeite xls | Searles Lake, San Bernardino Co., California/ USA / TYP; glassy pale brownish crystal aggregates of 3 cm of pure Burkeite. Very rich specimens of this rare Sodium-carbonate-sulfate; KS 28,00; NS 48,00 |
| Bustamite xx | Zinc Corporation Mine, Broken Hill, Yancowinna Co., New South Wales / Australia; lustrous bright rose-colored crystals of |
| Butlerite xx | Mina Alcaparrosa, Cerritos Bayos, Atacama Desert, II Region / Chile; "Pseudomorph from Butlerite after Fibroferrite". Clusters of high lustrous orange crystals intergrown to acicular aggregates of 7 mm in high lustrous yellowish brown Copiapite matrix; KS 28,00 |
| Butlerite xx | Mina Alcaparrosa, Cerritos Bayos, Atacama Desert, II Region / Chile; "Pseudomorph from Butlerite after Fibroferrite". Very nice orange clusters of intergrown radial-acicular crystal aggregates of 2 cm. Very pretty specimens; KS 28,00; NS 48,00 |
| Butlerite xx | Mina Santa Elena, La Alcaparrosa, Calingasta, San Juan / Argentina; orange-beige microcrystaline massive Butlerite aggregates with intergrown 3 cm radial crystal aggregates of red-brownish long- prismatic Butlerite crystals to 1,5 cm. Very unique and colorful specimens; NS 48,00; |
I offer an extensive assessment and analysis service. I´ve own modern REM-EDX technology available, please ask for more details.
the prices relate directly to the expense of acquiring the specimens and the work (cleaning, testing, etc.) done on them. All prices include the current 7% VAT on minerals.
I give a discount with large orders only.
I accept regular bank transfer, Master, Visa cards and Paypal.
I describe the material as accurately as possible, to minimize any possible discrepancy felt on receipt. owever, if you are not satisfied with a specimen, please send it back promptly in its original condition, well packed.
Inside Germany the postage costs € 5.50; for orders of € 150 and over, I prepay shipping. Within the EU shipping costs € 8,50; shipping is free on orders over € 250. Outside the EU shipping for under 1 kg is € 8,50. For over 1 kg costs at least € 25.50 (depending on weight and the respective postal rates). All parcels are insured.
xx = crystals
(xx)= partial or intergrown crystals
X or x = single crystal
Capsel (capsule) = 0.1 to 0.5 cm
MM = micromount approx. 0.5 to 1.0 cm
KS = small piece approx. 1.5 to 4 cm;
NS = average-sized piece approx. 4 to 7 cm
HS = hand-sized piece 7 to 10 cm;
GS / MS = museum-sized pieces larger than 10 cm
xls = crystals; (xls) = partial or intergrown crystals; xl = single crystal.
Capsule= 0.1 to 0.5 cm; MM = micromounts approx. 0.5 to 1.5 cm; KS = small piece approx. 1.5 to 4 cm.
NS = average-sized piece approx. 4 to 7 cm; HS = hand-sized piece 7 to 10 cm; GS / MS = museum-sized pieces larger than 10 cm.