Minerals
Gunnar Färber
Minerals
Gunnar Färber
| Qilianshanite xls | Alkali Lake, Valley Falls, Lake Co., Oregon / USA; the rare Sodium-Borate forms white crystals aggregates of 5 mm, very rich together with pale grayish Nahcolite; KS 75,00 |
| Quartz crystals on "Petrified Wood" | Brown Coal Open Pit Zwenkau, Zwenkau, Leipzig, Saxony / Germany; brownish bright luster quartz crystals up to 2 mm, grown all over on the former annual rings of 35 million year old petrified wood. Selected and very decorative specimens, available a size from 5 cm up to 50 cm; KS 8,00; NS 19,00; HS 28,00; GS 38,00; MS 48,00 |
| Quartz xl | Champion Mine, White Mts., Mono Co., California / USA; very pretty bright lustrous well terminated gemmy crystals of 5 cm. Nice specimens from a rare location; NS 14,00 |
| Quartz xls | Parker Lake, Mt. Lewis, Sierra Nevada Mts., Mono Co., California / USA; colorless double terminated 2,5 cm large crystals with white "end caps". This white "end caps" are Albite inclusions in Quartz. Inclusion of Albite in Quartz crystals are very unusual, because Albite occurs in a younger mineralization phase as Quartz; KS 19,00; NS 38,00 |
| Quartz xls | Marnes a Septarias, Orpierre, Haute-Alpes, Provence-Alpes-Cote d Azur/ France / TYP; these are Quartz crystals with the extremly rare "Orpierre habitus". The tops of the crystals are flattened and show in additional the rare faces Π (Pi) and Ω (Omega); KS 48,00 |
| Quartz xls | Cowtrack Mts., LeeVening, Mono Co., California / USA; bright violet to brownish-violet gemmy Amethyst Scepter of 2 cm, grown on white Quartz crystals. Pretty specimens from a new location in California; KS 19,00; NS 38,00 |
| Quartz xls | Dara Ismael Khan District, South Waziristan, Federally Administered Tribal Areas / Pakistan; colorless glass clear well terminated tabular distorted single crystals of 4 cm. The crystals are penetrate by a some centimeter long and several millimeter wide milky thread-like inclusion. Pretty specimens from a new find; KS 12,00 |
| Quartz xx | Lavra do Serra de Elefante, Coronel Murta, Minas Gerais / Brazil; violet crystals of 2 cm. The colour of these crystals crystals is half-changed to golden brown by inclusions of tiny yellow metallic Pyrite crystals and some Rutil. Such Amethysts as these have not to my knowledge been described before. A must for the Quartz collector; MM 19,00; KS 38,00 |
| Quartz xx | Champion Mine, White Mts., Mono Co., California / USA; a colorless to white well terminated 4,5 cm large "Japanese law twined crystals". Very rare from this location; KS 38,00 |
| Quenstedtite xx | Barranca del Sulfato, Mejillones Peninsula, Antofagasta II Region / Chile; glassy pale-brownish-pinkish crystals of 2 mm as |
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.