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Mineral Specimens with Quartz
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6.5 x 5.5 x 2.6 cm. A very rare, hollow, polyhedral agate cast from Brazil and the Richard Hauck Collection. This sharp, lustrous, colorless specimen is complete-all-around and is pristine. It looks like a "Horn of Plenty" with the sparkly quartz crystals and agate septae (blades) visible at the mouth and in the interior of the cast. Drusy quartz coats some of the faces. A unique, highly unusual quartz varietal specimen.
5.0 x 4.0 x 2.8 cm. A classic and aesthetic combination specimen from the Nikolaevskiy Mine at Dal’negorsk. A 2.2 cm, tabular, mirror-bright, brassy pyrrhotite crystal is set between two, perpendicular, lustrous, metallic-gray, spinel-twinned galena crystals. This is a fantastic, complete-all-around piece. Interesting, stalk-like florets of quartz needles lie in front of both sides of the pyrrhotite crystal and beautifully accent the piece. Smaller galena spinel-twins, sphalerite and chalcopyrite comprise the rest of the matrix.
9.0 x 6.7 x 5.6 cm. Moderately lustrous, rust-brown hematite "iron roses" cover the top and both sides of this sculptural specimen from recent finds at the Lechang Mine of China. The cluster of water-clear quartz needles on one side is a very nice accent, even with a couple of broken crystals. Very highly representative combination material from this locale.
7.5 x 5.0 x 5.0 cm. A unique and highly unsual quartz specimen from the much less well-known Four Peaks Amethyst Mine of Maricopa County, Arizona and the Richard Hauck Collection. This strange-looking quartz is a doubly terminated amethyst/smoky quartz crystal. The crystal looks octahedral and has fabulous etching. The narrow, smoky termination is water-clear. The photo highlights the crystal translucency, highly variable purple/smoky color saturations and the incredible etching. Very nearly pristine.
Very pretty, bright pink isolated crystals of rhodochrosite intermixed with tetrahedrites (including a fine one of 1.8 cm), bright pyrites and small, snowy quartz crystals – all on a crystal of milky quartz. A Peruvian combo specimen that has it all! 7.5 x 3 x 3 cm
6.4 x 5.5 x 5.5 cm. Two beautiful, gemmy and lustrous, watermelon tourmalines are attached to the side of a fine, glassy euhedral quartz crystal. The larger tourmaline is 3.1 cm. It has superb and classic Pederneira tourmaline color characteristics, with very bright colors. The striking, central core of vivid, watermelon-pink has a thin, outer sheath of green, above a green base. The lustrous cap is a spectacular, teal-blue. The base is broken, but has healed. The bit of cleavelandite below the tourmalines is a nice accent.
19.0 x 9.8 x 6.4 cm. A very rare, large smoky quartz crystal from the Pala Chief Mine of California. The water-clear crystal has excellent, stepped-growth faces and one face is lightly frosted. Two faces reveal a striking, interior phantom above the contacted base. This piece was collected in the 1960s and was in the Ed Swoboda Collection.
13.7 x 7.4 x 2.6 cm. An extraordinary and very rich cabinet plate, in which a fine group of lustrous, prismatic, black babingtonite crystals to 2.3 cm cover the specimen. This fine specimen is aesthetically and dramatically divided by a band of quartz crystals and spheroidal green prehnite. Part of the backside is also richly covered with babingtonite crystals.
8.5 x 6.5 x 5.0 cm. Lustrous, blood-red cuprite octahedrons to 1.5 cm richly and beautifully cover the milky quartz matrix on this fine, old-time specimen from the less well-known Marke Valley Mine of Linkinhorne, Cornwall. Classic, very rich material from historic Cornwall.
6.5 x 5.2 x 4.2 cm. An excellent, sharp, glassy, Japan-law twin quartz crystal beautifully dominates the smaller, prismatic crystals on this very aesthetic specimen from the Siglo Veinte Mine of Bolivia. The matrix crust is snow-white wavellite. The twin is pristine.
6.3 x 5.9 x 3.3 cm. A bright, richly burnished, 6 mm gold crystal cluster perched atop milky quartz from the much less well-known Atlantic Cable (Cable) Mine of Montana. This mine was located in 1866 and not mined for very long. Old, historic, seldom available material. Ex. Smithsonian Collection, with label.
3.8 x 3.3 x 1.7 cm. A beautiful, stocky, sharp, pristine, water-clear quartz crystal attached to a shard of matrix from a classic Austrian locality - the Arzbachgraben in Salzburg. Several of the faces are very interestingly, preferentially frosted. This quartz crystal has beautiful geometry and exceptional clarity.
4.5 x 4.5 x 3.4 cm. A fine rose quartz crystal cluster from the Ilha claim of Brazil. Two generations of rose quartz comprise this piece. Very glassy, elongate, lighter pink rose quartz spires dominate the skyline above the field of stouter, vivid pink rose quartz crystals. This is classic, old-time material from the 1960s or 1970s from this famed deposit, located on a low island in the middle of a river. Ex. Jaime Bird Collection.
5.6 x 3.7 x 2.5 cm. A very rich and fine specimen of lustrous, brown, pyramidal scheelite crystals to 3 mm covering a thin plate of quartz and a euhedral quartz crystal. This excellent, old-time piece is from historic Zinnwald, on the Czech side of the fabled Erzgebirge. This classic piece is essentially pristine and has the typical, bright white fluorescence of scheelite.
5.5 x 3.8 x 3.0 cm. An excellent, sharp, highly lustrous, colorless, gem crystal group of classic "Bergkristal" Quartz from the Swiss Alps. The combination of absolutely superb quality specimens with large crystals and unique habits make these pieces as impressive as Quartz gets. This piece came from Richard Kosnar's personal Alpine Mineral suite. Rich obtained this piece at the Altdorf Show in 1975.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
by specimen id.
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share specimen![Chalcedony (Var: Agate), Quartz from IraÃ, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-236626a.jpg]](db_pics/mdpics/MD-236626a.jpg)
![Chalcedony (Var: Agate), Quartz from IraÃ, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-236626b.jpg]](db_pics/mdpics/MD-236626b.jpg)
![Pyrrhotite, Galena, Quartz from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-236637a.jpg]](db_pics/mdpics/MD-236637a.jpg)
![Hematite, Quartz from Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-236643a.jpg]](db_pics/mdpics/MD-236643a.jpg)
![Hematite, Quartz from Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-236643b.jpg]](db_pics/mdpics/MD-236643b.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Smoky Quartz) from Four Peaks Amethyst Mine (Arizona Amethyst Mine), Four Peaks, Mazatzal Mts, Maricopa Co., Arizona, USA [db_pics/mdpics/MD-236649a.jpg]](db_pics/mdpics/MD-236649a.jpg)
![Rhodochrosite, Tetrahedrite, Pyrite, Quartz from Pachapaqui District, Bolognesi Province, Ancash Department, Peru [db_pics/mdpics/MD-23665a.jpg]](db_pics/mdpics/MD-23665a.jpg)
![Elbaite, Quartz from Pederneira claim, São José da Safira, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-236663a.jpg]](db_pics/mdpics/MD-236663a.jpg)
![Elbaite, Quartz from Pederneira claim, São José da Safira, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-236663b.jpg]](db_pics/mdpics/MD-236663b.jpg)
![Quartz (Var: Smoky Quartz) from Pala Chief Mine (MS 6452; Chief Mine), Chief Mountain, Pala District, San Diego Co., California, USA [db_pics/mdpics/MD-236668a.jpg]](db_pics/mdpics/MD-236668a.jpg)
![Babingtonite, Prehnite, Quartz from Qiaojia, Qiaojia Co., Zhaotong Prefecture, Yunnan Province, China [db_pics/mdpics/MD-236672a.jpg]](db_pics/mdpics/MD-236672a.jpg)
![Babingtonite, Prehnite, Quartz from Qiaojia, Qiaojia Co., Zhaotong Prefecture, Yunnan Province, China [db_pics/mdpics/MD-236672b.jpg]](db_pics/mdpics/MD-236672b.jpg)
![Cuprite, Quartz from Marke Valley Mine, Linkinhorne, Caradon & Phoenix Area (South-Eastern Bodmin Moor), Liskeard District, Cornwall, England, UK [db_pics/mdpics/MD-236675a.jpg]](db_pics/mdpics/MD-236675a.jpg)
![Cuprite, Quartz from Marke Valley Mine, Linkinhorne, Caradon & Phoenix Area (South-Eastern Bodmin Moor), Liskeard District, Cornwall, England, UK [db_pics/mdpics/MD-236675b.jpg]](db_pics/mdpics/MD-236675b.jpg)
![Quartz, Wavellite from Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosà Department, Bolivia [db_pics/mdpics/MD-236681a.jpg]](db_pics/mdpics/MD-236681a.jpg)
![Gold, Quartz from Atlantic Cable Mine (Cable Mine), Georgetown District (Southern Cross District; Cable District), Deer Lodge Co., Montana, USA [db_pics/mdpics/MD-236682a.jpg]](db_pics/mdpics/MD-236682a.jpg)
![Gold, Quartz from Atlantic Cable Mine (Cable Mine), Georgetown District (Southern Cross District; Cable District), Deer Lodge Co., Montana, USA [db_pics/mdpics/MD-236682b.jpg]](db_pics/mdpics/MD-236682b.jpg)
![Gold, Quartz from Atlantic Cable Mine (Cable Mine), Georgetown District (Southern Cross District; Cable District), Deer Lodge Co., Montana, USA [db_pics/mdpics/MD-236682c.jpg]](db_pics/mdpics/MD-236682c.jpg)
![Quartz from Arzbachgraben (Erzklamm; Arzrinne; Arzbachrinne), Felben valley, Hohe Tauern Mts, Salzburg, Austria [db_pics/mdpics/MD-236688a.jpg]](db_pics/mdpics/MD-236688a.jpg)
![Quartz (Var: Rose Quartz) from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-236691a.jpg]](db_pics/mdpics/MD-236691a.jpg)
![Scheelite, Quartz from CÃnovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústà Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic [db_pics/mdpics/MD-236692a.jpg]](db_pics/mdpics/MD-236692a.jpg)
![Scheelite, Quartz from CÃnovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústà Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic [db_pics/mdpics/MD-236692b.jpg]](db_pics/mdpics/MD-236692b.jpg)
![Quartz from Illiez Valley, Wallis (Valais), Switzerland [db_pics/mdpics/MD-236764a.jpg]](db_pics/mdpics/MD-236764a.jpg)