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Mineral Specimens with Quartz
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7.1 x 6.9 x 3.2 cm. Another rare specimen from Argentina out of the collection of Dave Stoudt, this one not acquired on his visit there, but from a Spanish dealer. It features two perfect purple-topped sceptres, 3 cm in length, surrounded by colorless quartz crystals.
7.5 x 6.2 x 4.5 cm. Another fluorite rarely seen on the market, from Argentina, out of the collection of dave Stoudt, from his visit there in 2002. These are sharp, pale golden crystals to 1.3 cm, on a field of sparkly drusy quartz.
3.4 x 2.4 x 1.8 cm. This sharp, gemmy and lustrous quartz crystal is shot through with glittering, golden needles of acicular rutile. Ex. Hauck Collection.
15.9 x 9.7 x 5.9 cm. Depending on how you view it, this extremely unusual large plate of quartz crystals specimen is either attractive, or really ugly! The very sharp crystals have a mineral coating (apparently a very dark iron oxide mineral) that gives them the color of dark chocolate; it is an ultra-micro coating, so the surfaces are very smooth, except for a sprinkling of little sulfide crystals that grew on the faces. Ex. Richard Hauck Collection.
7.9 x 5.2 x 3.2 cm. A wonderful quartz specimen from the Orange River, a locality from which we have been offering you some really nice fluorites lately, but which also has produced a variety of interesting and pretty quartz specimens. This is a floater cluster, with all terminations complete, of quartz crystals with intense red inclusions of oxidized hematite. Ex. Wein Collection.
10.5 x 7.5 x 7.4 cm. This is an old Chafee County, Colorado specimen of a classic combination of clear quartz crystals on a bed of solid epidote. In this case, there are actually two plates of epidote cemented together by crystals that have grown in between them, so quartz crystals are sticking out on both sides of the specimen. Ex. Richard Hauck Collection.
13.3 x 4.9 x 4.3 cm. A RARE, OLD and LARGE coffee-colored, gemmy crystal of smoky quartz from Pikes Peak, Colorado. It has wonderful form, with terracing and stepping on its faces adding great character to the stately crystal. It was sawn flat on the bottom to remove it from the pocket, and it therefore stands up nicely on its own. No damage - some natural contact faces on the back where it grew against other crystals. Ex Hauck Quartz collection.
9.9 x 5.9 x 5.2 cm. It is very difficult to find a good New Mexico smoky anymore. This piece has EVERYTHING: Let’s start with gemminess: these crystals are the equal of a good Swiss specimen, no question about it. Then there is form - it would be hard to find a more elegant one that this, with one crystal leaning against another, both slender and fine. Their faces have subtle striations. As far as condition goes, you can see a micro ding at the very tip of the larger crystal if you look through a loupe and one tiny pit in one place on the side - but these are hardly detractions worth mentioning. This locality is now closed to collectors by federal law and good ones are few and far between. Ex. Richard Hauck Collection.
10.9 x 10.4 x 4.3 cm. Call it turgite, limonite, or what you will - this is an absolute CLASSIC American specimen, out of the fabulous collection of Ed David. The iridescent turgite here, with its play of purple, green and blue hues, has coated a large plate of euhedral quartz crystals, creating this bizarre "landscape" of form and color.
5.8 x 2.1 x 1.6 cm, 4.8 x 2.5 x 2.1 cm. This is a set of 2 fine Brandberg quartz specimens. The most interesting is the dramatically sceptered crystal, with a beta-style "cap" atop a typical prismatic stalk. The stalk is amethystine, and the cap has blushes of both purple and smoky inside. There is a ding on the back side of the termination, but you do not see it from the preferred display side. The other crystal is a "classic" Brandberg quartz, with chevrons of purple and smoky in its gemmy interior. This crystal contains a complete, sharp, doubly-terminated little quartz crystal, which you can clearly see as it is highly reflective!
9.3 x 5.9 x 2.9 cm. A few sharp smoky points stick up amidst a rich field of gemmy, orange-red crystals of spessartine garnet. This combo is now quite well-known for Tongbei.
9.7 x 4.4 x 2.5 cm. Kyanite is usually a pretty boring mineral, embedded in massive quartz and therefore seen mostly in "clunky" specimens. It is also generally opaque. Here, though, you have a really sculptural specimen, with a strikingly elegant 9-cm crystal rising next to some smaller ones, and with fine blue color and translucency. Due to the naturally rough terminations of kyanites, it is extremely difficult to tell if the crystals are terminated are not.
13.4 x 10.5 x 6.4 cm. "Herkimer Diamond" quartz occurs in hard dolostone and is hard to extract - crystals this large are seldom extracted on matrix. The crystal measures 5 cm across. It is razor-sharp and has NO damage. Also significant is the fact that instead of sitting on grey rock, it is on a bed of sparkly brown quartz crystals.
13.9 x 11.9 x 9.3 cm. These are small, "diamond"-like crystals, of the intense gemminess that makes these crystals so famous. They measure to 1.3 cm. As with the other specimen, these crystals are on a bed of sparkly, light taupe-colored quartz crystals (drusy) rather than the usual gray rock, which adds to the attractiveness.
15.9 x 10.9 x 6.4 cm. There is a reason that Swiss smokies are considered the ultimate in worldwide smokies - they are just amazingly gem-like. And the crystals here represent the top range of crystals for the Alps, with razor sharpness and that amazing gemmy glow. The crystals on this large plate measure to 7 cm in length, and have a glass-like luster.
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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![Quartz (Var: Amethyst), Quartz from Mina Clavero, Córdoba, Argentina [db_pics/mdpics/MD-167768a.jpg]](db_pics/mdpics/MD-167768a.jpg)
![Fluorite, Quartz (Var: Chalcedony), Quartz from El Portezuelo, Sierra de Ascasti, Catamarca, Argentina [db_pics/mdpics/MD-167770a.jpg]](db_pics/mdpics/MD-167770a.jpg)
![Quartz, Rutile from Ibitiara, Bahia, Northeast Region, Brazil [db_pics/mdpics/MD-167784a.jpg]](db_pics/mdpics/MD-167784a.jpg)
![Quartz from Pachapaqui District, Bolognesi Province, Ancash Department, Peru [db_pics/mdpics/MD-167785a.jpg]](db_pics/mdpics/MD-167785a.jpg)
![Quartz, Hematite from Orange River, Warmbad, Great Namaqualand, Karas Region, Namibia [db_pics/mdpics/MD-167786a.jpg]](db_pics/mdpics/MD-167786a.jpg)
![Quartz, Epidote from Salida, Turret District, Chaffee Co., Colorado, USA [db_pics/mdpics/MD-167788a.jpg]](db_pics/mdpics/MD-167788a.jpg)
![Quartz (Var: Smoky Quartz) from Pikes Peak, Teller Co., Colorado, USA [db_pics/mdpics/MD-167792a.jpg]](db_pics/mdpics/MD-167792a.jpg)
![Quartz (Var: Smoky Quartz) from Smoky Bear (Crystal; Bonita Crystal), White Mountain Wilderness, Lincoln Co., New Mexico, USA [db_pics/mdpics/MD-167794a.jpg]](db_pics/mdpics/MD-167794a.jpg)
![Turgite, Quartz from Graves Mountain, Lincoln Co., Georgia, USA [db_pics/mdpics/MD-167795a.jpg]](db_pics/mdpics/MD-167795a.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Smoky Quartz) from Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-167837a.jpg]](db_pics/mdpics/MD-167837a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-167878a.jpg]](db_pics/mdpics/MD-167878a.jpg)
![Kyanite, Quartz from Barra de Salinas district, Barra de Salinas, Coronel Murta, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-167882a.jpg]](db_pics/mdpics/MD-167882a.jpg)
![Quartz (Var: Herkimer Diamond) from Herkimer Co., New York, USA [db_pics/mdpics/MD-167890a.jpg]](db_pics/mdpics/MD-167890a.jpg)
![Quartz (Var: Herkimer Diamond) from Herkimer Co., New York, USA [db_pics/mdpics/MD-167895a.jpg]](db_pics/mdpics/MD-167895a.jpg)
![Quartz (Var: Herkimer Diamond) from Herkimer Co., New York, USA [db_pics/mdpics/MD-167895b.jpg]](db_pics/mdpics/MD-167895b.jpg)
![Quartz (Var: Smoky Quartz) from Grischun (Grisons; Graubünden), Switzerland [db_pics/mdpics/MD-167897a.jpg]](db_pics/mdpics/MD-167897a.jpg)