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Mineral Specimens with Quartz
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9.5 x 9.1 x 5.1 cm. A superb specimen from the famous Carrara Marble quarries of Italy, which have produced an amazing number of mineral species. A water-clear, 1.6 cm, gemmy, Herkimer-style (gem and doubly-terminated) quartz crystal is attractively set in a deep cleft lined with drusy quartz in the snow-white marble. Ex. Fred Pough and George White Collections. George M. White was appointed Architect of the Capitol (Washington D.C.) by President Nixon in 1971.
8.5 x 5.0 x 4.6 cm. A large, beautifully pink, partially gemmy morganite crystal perched upright on quartz matrix from the famous Golconda Pegmatite of Brazil. The sharp, euhedral morganite crystal is undamaged on the front, sides and top and is 6.9 cm across. It is also fat, at 3.2 cm thick. Probably mined in the 1960s or 1970s.
2.4 x 2.2 x 2.0 cm. A classic, lustrous, rose-red rhodochrosite rhomb from the famous late 1970s-early 1980s finds at the Huayllapon Mine, Pasto Bueno, Peru. This striking rhomb has the typically gemmy, gorgeous, cherry-red, edge rinds and is beautifully accented with water-clear quartz crystals, embedded in and on the rhomb. Four of the six sides are pristine, the other two sides are cleavage faces. No more have been found, since. Ex. George Elling Collection.
6.8 x 4.2 x 2.9 cm. This bizarre specimen features a very unusual hollow anatase crystal of 1.5 cm next to an adjacent crystal of more typical habit. It is possible the anatase we see is a cast after an earlier generation, or even after a zircon perhaps, but I am not sure. The crystals sit on a quartz crystal (broken at either end but intact on the display face). In any case, the material has been analyzed and it is anatase now - a huge one for Brazil.
6.0 x 3.3 x 2.4 cm. A gorgeous, gemmy, 4-cm-long crystal of red rubellite projecting from an aesthetic matrix of lepidolite. The doubly-terminated quartz floating to the right makes a perfect accent.
3.8 x 1.9 x 1.7 cm. A fat, barrel-like, doubly-terminated crystal of 1.5 cm, perches on top of a translucent doubly-terminated quartz. The second crystal has one termination, and provides a great accent and more color.
10.8 x 7.6 x 6.6 cm. A rare specimen from a small, remote locality even further out from Dal’negorsk. It is a superb specimen, extremely aesthetic, with sharp green octahedra to just over an inch crowning quartz matrix. A larger octahedron on the backside as well. Ex. Dr. Ed David Collection.
8.6 x 8.2 x 4.3. This is one of the few matrix blue topaz pieces from a pocket found 2 years ago. The topaz atop is a beautiful, glassy smoky crystal with incredible lustre. It has typical etching often seen in these, resulting in the side faces turning into an elongated surface with hundreds of minute faces reflecting the light more intensely.
4.2 x 3.9 x 2.2 cm. From an old collection, this is a very unique California gold specimen with robust, sturdy outgrowths like tendrils and vines, and also a few sharp stacked octahedral crystals. Dramatic, elegant, and unusual miniature from this famous old gold district.
20.5 x 8.0 x 7.3 cm. The main crystal is doubly-terminated and gemmy (more transparent in person). The whole thing is a floater, complete and pristine and with no visible point of attachment. The small black inclusions you see are minute graphite crystals, adding a bit of accent and contrast.
5.3 x 4. 3x 3.0 cm. The great tin mines at Viloco (sometimes called Araca) have produced some of the most magnificent Cassiterite specimens extant. This particular specimen hosts several fine, sharp, highly lustrous, black-brown cyclic twinned crystals with gem Quartz crystals and tan Siderite "rosettes".
5.2 x 3.4 x 1.7 cm. This specimen features a predominant, sharp, splendent, metallic, brassy-gold colored twinned crystal of Chalcopyrite measuring 1.8 cm associated with lustrous black Sphalerite and gemmy Quartz crystals. This piece came to Rich Kosnar from noted Colorado collector, George Robertson. The exact mine location is the Orphan stope, 1400’ level.
5.5 x 4.5 x 1.8 cm. Richard Kosnar mined the Sweet Home for a few years during the late 1970's and managed to collect some excellent Rhodochrosite specimens. This piece is from one of the last pockets that Rich opened before he was done at the mine. This specimens hosts sharp crystals of Rhodochrosite measuring up to 1.7 cm with great red-pink color with excellent gemminess. They are associated with minor Quartz and lilac cubic Fluorite plus one distinctive striated cube of Pyrite on matrix.
5.7 x 3.3 x 3.3 cm. This is a very distinctive Creede Quartz and sulfide association specimen. The Sphalerite is very gemmy with the typical honey and green color that one is accustomed to seeing from this mine. Both the Sphalerite and Galena are lustrous, and the chalky white Quartz makes for a nice contrast. Exact mine location is the OH vein. This piece came from the Richard A. Kosnar collection and was mined in 1957 by Bob Hartman.
4.6 x 2.7 x 2.7 cm. Zanazziite is a Hydrated Calcium Magnesium Iron Aluminum Beryllium Phosphate. This piece hosts several large, sharp, lustrous, well-formed, translucent, olive-green crystal groups of the rare phosphate Zanazziite which are aesthetically sitting on a matrix of crystallized Rose Quartz and white Quartz. This specimen is from the original find from the 1970's. Ex. Richard Kosnar Collection.
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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 from Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy [db_pics/mdpics/MD-195595a.jpg]](db_pics/mdpics/MD-195595a.jpg)
![Quartz from Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy [db_pics/mdpics/MD-195595b.jpg]](db_pics/mdpics/MD-195595b.jpg)
![Beryl (Var: Morganite), Quartz from Golconda pegmatite, Governador Valadares, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195601a.jpg]](db_pics/mdpics/MD-195601a.jpg)
![Rhodochrosite, Quartz from Huayllapon Mine, Pasto Bueno District, Pallasca Province, Ancash Department, Peru [db_pics/mdpics/MD-195602a.jpg]](db_pics/mdpics/MD-195602a.jpg)
![Anatase, Quartz from Gouveia, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195607a.jpg]](db_pics/mdpics/MD-195607a.jpg)
![Tourmaline (Var: Rubellite), Lepidolite, Quartz from Jonas Mine, Conselheiro Pena, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195613a.jpg]](db_pics/mdpics/MD-195613a.jpg)
![Tourmaline (Var: Rubellite), Quartz from Jonas Mine, Conselheiro Pena, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195620a.jpg]](db_pics/mdpics/MD-195620a.jpg)
![Tourmaline (Var: Rubellite), Quartz from Jonas Mine, Conselheiro Pena, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195620b.jpg]](db_pics/mdpics/MD-195620b.jpg)
![Fluorite, Quartz from Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-195695a.jpg]](db_pics/mdpics/MD-195695a.jpg)
![Topaz, Quartz (Var: Smoky Quartz) from Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195708a.jpg]](db_pics/mdpics/MD-195708a.jpg)
![Topaz, Quartz (Var: Smoky Quartz) from Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-195708b.jpg]](db_pics/mdpics/MD-195708b.jpg)
![Gold, Quartz from East Belt District, Placer Co., California, USA [db_pics/mdpics/MD-195710a.jpg]](db_pics/mdpics/MD-195710a.jpg)
![Gold, Quartz from East Belt District, Placer Co., California, USA [db_pics/mdpics/MD-195710b.jpg]](db_pics/mdpics/MD-195710b.jpg)
![Gold, Quartz from East Belt District, Placer Co., California, USA [db_pics/mdpics/MD-195710c.jpg]](db_pics/mdpics/MD-195710c.jpg)
![Quartz from Cong Li (?), Hunan Province, China [db_pics/mdpics/MD-195712a.jpg]](db_pics/mdpics/MD-195712a.jpg)
![Cassiterite, Quartz, Siderite from Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia [db_pics/mdpics/MD-196020a.jpg]](db_pics/mdpics/MD-196020a.jpg)
![Chalcopyrite, Sphalerite, Quartz from Camp Bird Mine, Ouray, Sneffels District (Mount Sneffels District), Ouray Co., Colorado, USA [db_pics/mdpics/MD-196038a.jpg]](db_pics/mdpics/MD-196038a.jpg)
![Rhodochrosite, Pyrite, Fluorite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-196040a.jpg]](db_pics/mdpics/MD-196040a.jpg)
![Rhodochrosite, Pyrite, Fluorite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-196040b.jpg]](db_pics/mdpics/MD-196040b.jpg)
![Rhodochrosite, Pyrite, Fluorite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-196040c.jpg]](db_pics/mdpics/MD-196040c.jpg)
![Sphalerite, Quartz, Galena from Bachelor Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA [db_pics/mdpics/MD-196045a.jpg]](db_pics/mdpics/MD-196045a.jpg)
![Sphalerite, Quartz, Galena from Bachelor Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA [db_pics/mdpics/MD-196045b.jpg]](db_pics/mdpics/MD-196045b.jpg)
![Zanazziite, Quartz (Var: Rose Quartz) from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-196052a.jpg]](db_pics/mdpics/MD-196052a.jpg)
![Zanazziite, Quartz (Var: Rose Quartz) from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-196052b.jpg]](db_pics/mdpics/MD-196052b.jpg)