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Mineral Specimens with Quartz
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7.2 x 7.0 x 4.3 cm. These specimens have been labeled as being Quartz after Baryte pseudomorphs, but given the fact that Baryte is chemically inert and nearly impossible to dissolve, it is most likely that these pseudomorphs or "casts" are actually Quartz replacing Anhydrite. With that said, this specimen is a beautiful pseudomorph/cast consisting of hollow and blocky cavities of Quartz replacing the original mineral. The most attractive aspect of this specimen is the fact that the Quartz crystals are not microscopic or massive, but many of them are easily visible with the naked eye, and show absolutely water-clear transparency. A wonderful specimen from a district that produced some of the most classic "casts" from all of Colorado. Ex. Richard Kosnar Collection.
4.0 x 3.6 x 2.4 cm. Purple Apatite is by far the most desirable of all colors of Apatite, and is for all intents and purpose, the most difficult to obtain. This piece features a few, sharp, translucent, lustrous, rich purple, tabular crystals of Apatite associated with Quartz, Albite, Muscovite and even a small patch of light green Fluorite ! The largest Apatite crystal measures 1.1 cm across. A lovely miniature specimen of this rare shade of Apatite. This specimen was mined in 1995, when some of the most vivid purple Apatites came out of Pakistan.
10.8 x 6.7 x 4.5 cm. Quartz is beloved for it thousands of habits found around the world. Some of the most distinctive Quartz specimens found in Alpine deposits are the attractive "Faden" crystal groups. This crystal group exhibits the classic "Faden" (German word for string) form that is well known from this area. The piece exhibits several very striking "Fadens" that run through the length of the superb, sharp, highly lustrous, gem quality, colorless crystals that create this highly aesthetic, three-dimensional group. The overall quality of the Quartz crystals on this specimen is as fine as any I've seen from this area.
4.8 x 2.3 x 1.7 cm. Gemmy and lustrous, tabular, green uvites to 8 mm are aesthetically scattered on and in the glassy, crudely terminated quartz crystal. A few tiny magnesite rhombs are also scattered about. This specimen is complete-all-around and is pristine.
18.1 x 7.1 x 4.3 cm. The famous quarries around Jalgaon continue to produce stunning zeolite species and this is certainly a prime example. The well-prepared, large cabinet, elongated basalt vesicle is spectacularly covered with snow-white, spiky balls of mordenite. They look like a colony of sea uchins. The translucent, lustrous, drusy quartz is a superb compliment to the mordenite. The large ball is 2.8 cm across. Mordenite is one of the rarer zeolite minerals and this is an outstanding example from this locale.
10.4 x 6.1 x 5.0 cm. Well-crystallized quartz is relatively uncommon from the Tsumeb Mine. This sculptural, very vuggy cabinet specimen of pearlescent, light gray dolomite rhombs holds a few glassy quartz crystals to 1.7 cm tucked into one side of the piece. Highly representative and fine material of this uncommon for the locale species. Ex. Rob Smith Collection, a noted Tsumeb specialist.
4.9 x 2.8 x 2.7 cm. A fine specimen of glassy, transparent, color-zoned, purple fluorite cubes aesthetically set in the front of a diverging cluster of glassy quartz crystals. The green chlorite is a nice accent to this fine piece from recent finds at the Yaogangxian Mine of China. The fluorites are pristine, as our most of the terminations of the quartz crystals. Classic, highly representative purple fluorite from this locale.
4.5 x 4.5 x 2.4 cm. Colorless quartz is very rare from the Goboboseb Mountains of Namibia, which is famed for its amethyst specimen. This fine cluster of water-clear, sharp crystals looks like it could be from Arkansas, rather than Namibia. Very nearly pristine. Uncommon, high quality material from this noted locale.
17.2 x 6.2 x 4.0 cm. A striking, elongated, large cabinet plate covered with very gemmy/sparkly reddish-orange to orange spessartine garnets to about 4-5 mm and nicely accented with glassy, smoky quartz crystals from recent finds at Tongbei, China. Classic, very rich and large material from this noted Chinese locale.
3.2 x 2.2 x 1.6 cm. A striking, very rare smoky/amethyst quartz sceptre from Butte, Montana. The pristine, unusually transparent sceptre is filled with golden rutile needles. I have never seen another Butte sceptre like this. Ex. Jaime Bird Collection.
A CABINET-SIZED, beautiful, lustrous and transparent to tranlucent amethystine quartz crystal from Peru with a 1.7 cm MOVABLE BUBBLE shown by the arrow! Not only is the bubble very large, but this is a huge and superb crystal for the locality! Very trivial edge ding near the termination and the back is contacted, which is totally out of sight. Old material. 13.6 x 7.3 x 5.3 cm
9.7 x 6.7 x 4.8 cm. Vivid shades of intense royal-purple fill the interior of this striking, transparent to translucent amethyst crystal from the much less well-known Four Peaks Amethyst Mine of Maricopa County, Arizona and the Richard Hauck Collection. The termination is complete-all-around and razor-sharp and the front and sides of the crystal are well-crystallized. The color-zoning on the termination, especially on one end, is amazing.
5.6 x 3.5 x 3.5 cm. Diaboleite is a rare lead, copper chloride. Diaboleite is one of the great treasures from the renowned Mammoth-St. Anthony Mine at Tiger. This fine combination specimen features a sharp, intense azure blue, 4 mm diaboleite crystal aesthetically set on the matrix wedge covered with sharp amethyst crystals, many covered with hematite. Old-time material from this famous locale. Ex. Dick Jones Collection.
7.3 x 5.9 x 3.0 cm. A very aesthetic combination specimen from the famous Butte District. A cluster of sharp, brassy, mirror-bright pyrite crystals are superbly placed at the top of a plate of milky quartz crystals. Some of the pyrite crystal faces are preferentially striated, adding much character. The large quartz crystal is 2.5 cm. The pyrites are pristine. This is outstanding, old-time combination material from this historic district. Ex. Robert Lambert and Richard Hauck Collections.
A SUPERB and AESTHETIC cluster of transparent amethyst quartz crystals from Las Vigas, Mexico. Clusters of this quality from Las Vigas are seldom available. One super trivial ding on the termination edge of the large crystal is barely noticeable and certainly does not impair this beautiful specimen. Old dealer stock of Dr. Gary Hansen and not shown since the early 1980s! 3.6 x 3.4 x 2.7 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz from Silver Point Mine, Ouray Co., Colorado, USA [db_pics/mdpics/MD-263707a.jpg]](db_pics/mdpics/MD-263707a.jpg)
![Quartz from Silver Point Mine, Ouray Co., Colorado, USA [db_pics/mdpics/MD-263707b.jpg]](db_pics/mdpics/MD-263707b.jpg)
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![Quartz, Dolomite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-264011a.jpg]](db_pics/mdpics/MD-264011a.jpg)
![Quartz, Dolomite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-264011b.jpg]](db_pics/mdpics/MD-264011b.jpg)
![Fluorite, Quartz, Chlorite Group from Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-264023a.jpg]](db_pics/mdpics/MD-264023a.jpg)
![Quartz from Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-264024a.jpg]](db_pics/mdpics/MD-264024a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-264026a.jpg]](db_pics/mdpics/MD-264026a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-264026b.jpg]](db_pics/mdpics/MD-264026b.jpg)
![Quartz (Var: Smoky Quartz), Quartz (Var: Amethyst), Rutile from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-264039a.jpg]](db_pics/mdpics/MD-264039a.jpg)
![Quartz (Var: Amethyst) from Milpo Mine, Atacocha District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru [db_pics/mdpics/MD-26411a.jpg]](db_pics/mdpics/MD-26411a.jpg)
![Quartz (Var: Amethyst) from Four Peaks Amethyst Mine (Arizona Amethyst Mine), Four Peaks, Mazatzal Mts, Maricopa Co., Arizona, USA [db_pics/mdpics/MD-264124a.jpg]](db_pics/mdpics/MD-264124a.jpg)
![Diaboleite, Quartz (Var: Amethyst) from Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA [db_pics/mdpics/MD-264125a.jpg]](db_pics/mdpics/MD-264125a.jpg)
![Diaboleite, Quartz (Var: Amethyst) from Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA [db_pics/mdpics/MD-264125b.jpg]](db_pics/mdpics/MD-264125b.jpg)
![Pyrite, Quartz from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-264127a.jpg]](db_pics/mdpics/MD-264127a.jpg)
![Pyrite, Quartz from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-264127b.jpg]](db_pics/mdpics/MD-264127b.jpg)
![Pyrite, Quartz from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-264127c.jpg]](db_pics/mdpics/MD-264127c.jpg)
![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-26414a.jpg]](db_pics/mdpics/MD-26414a.jpg)