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Mineral Specimens with Quartz
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7.4 x 3.3 x 2.9 cm. A floater crystal of "ametrine" quartz from Bolivia - combining the golden citrine hue with purple amethystine hue. These crystals are naturally etched into these weird forms. This one actually is euhedral with some glassy faces at one end, which is unusual.
15.9 x 5.4 x 4.2 cm. A large sceptred quartz crystal from Brazil. Wrapped around the milky coated "inner" crystal is a lustrous second-generation crystal, terminated on both ends. The bottom termination, wrapping around the inner crystal, is a series of crenellated sub-terminations. At the other end is the typical quartz termination, except that the faces show very marked skeletal growth.
4.5 x 3.4 x 2.1 cm. There is no red quartz quite as striking as these Orange river ones, with their internal phantoms of intense red hematite coating the internal phantom and showing through gem-clear and glassy-lustrous quartz.
7.9 x 6.4 x 4.0 cm. This is a fine Chinese amethyst, out of the Marty Zinn collection. Natural etching of the side faces has resulted in beautiful "cut-glass" modifications - and as you get to the top, the faces become glassy, as does the view into the crystals - absolutely water clear.
16.4 x 11.0 x 3.8 cm. A specimen of okenite on dove-grey quartz, with these beautiful snowy fuzz-balls of acicular okenite crystals.
4.5 x 4.1 x 4.0 cm. A fine combination specimen from the famous Huayllapon Mine of Peru of a highly lustrous, 4.8 cm, doubly-terminated cluster of hubnerite blades attached to a milky quartz crystal cluster. Hubnerites of this quality only came out in the 1970s to early 1980s. This is an earlier piece from the Marty Zinn Collection, # 1728.
3.0 x 2.8 x 2.0 cm. A fine Stak Nala specimen of a gemmy and lustrous, polychrome tourmaline perfectly set at the junction of two, water-clear quartz crystals. Ex. Steve Smale Collection.
1.9 x 1.8 x 1.4 cm. A fine thumbnail specimen of quartz replacing wulfenite crystals on a sliver of sparkly, gray, drusy quartz from the famous Finch Mine of Arizona. The large crystal is 7 mm.
1.9 x 1.5 x 0.6 cm. A fine thumbnail from the Dick Jones Collection. Dick Jones personally collected this water-clear, sharply edged, Japan-law twinned, smoky quartz crystal in the late 1970s from the Mina Tiro Estrella in New Mexico.
5.7 x 4.3 x 1.8 cm. This fine specimen is crowned by an 8 mm lazulite crystal and nicely accented by a scatterting of gemmy, amber siderite crystals. The lazulite-free areas are covered with sparkly quartz microcrystals. Ex. Marty Zinn Collection, # 8477.
9.5 x 8.3 x 4.7 cm. Two superb, sharp, purple fluorite cubes with outstanding phantoms exquisitely set on very 3-dimensional, sparkly quartz crystal matrix from the famous, but less well-known Deardorff Mine of the Illinois Fluorspar District. The large cube is 3.3 x 3.2 cm. Ex. George Feist Collection.
7.7 x 5.5 x 3.8 cm. At 7.5 mm, the larger crystal here is at the maximal size for the species. Tsaregorodtsevite is a strange aluminosilicate mineral that also contains the tetramethylammonium ion. Ex. Fersman Museum Collection.
3.6 x 2.8 x 2.6 cm. Crystallized bismuth is known from a very few finds here, all from the 1800s. This is a fine and aesthetic piece, showing off sharp crystals to 2 cm right on the front. They are perched on quartz. Ex. Russell Jones Collection.
5.6 x 2.7 x 2.2 cm. This is an incredibly rich hessite specimen with crystal sharpness, lustre, and a surprisingly rich coverage on quartz. Most hessites of this style were found in the early to mid 1800s in this important mining district. Ex. George Elling Collection.
10 x 6.7 x 2.5 cm. This is a beautiful plate from the mid-1800s in all likelihood, with sharp hessite crystals of 3 distinct crystal habits for the species, all perched in isolated clusters on contrasting quartz matrix. The largest cluster is 4 cm tip to tip, with the sharp spear sticking out the top. Ex. R. Metzger Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Ametrine) from Anahà Mine (Anay Mine; Anai Mine), La Gaiba District, Sandoval Province, Santa Cruz Department, Bolivia [db_pics/mdpics/MD-177270a.jpg]](db_pics/mdpics/MD-177270a.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-177272a.jpg]](db_pics/mdpics/MD-177272a.jpg)
![Quartz from Orange River, Warmbad, Great Namaqualand, Karas Region, Namibia [db_pics/mdpics/MD-177297a.jpg]](db_pics/mdpics/MD-177297a.jpg)
![Quartz (Var: Amethyst) from Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China [db_pics/mdpics/MD-177318a.jpg]](db_pics/mdpics/MD-177318a.jpg)
![Okenite, Quartz from Bombay Quarry, Mumbai District (Bombay District), Maharashtra, India [db_pics/mdpics/MD-177319a.jpg]](db_pics/mdpics/MD-177319a.jpg)
![Okenite, Quartz from Bombay Quarry, Mumbai District (Bombay District), Maharashtra, India [db_pics/mdpics/MD-177319b.jpg]](db_pics/mdpics/MD-177319b.jpg)
![Hübnerite, Quartz from Huayllapon Mine, Pasto Bueno District, Pallasca Province, Ancash Department, Peru [db_pics/mdpics/MD-177325a.jpg]](db_pics/mdpics/MD-177325a.jpg)
![Elbaite, Quartz, Schorl from Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-177327a.jpg]](db_pics/mdpics/MD-177327a.jpg)
![Quartz, Wulfenite from Finch Mine (Barking Spider Mine), Reagan claims (Regan/Reagan Camp prospects; Lee Reagan property; Lee Reagan prospects; Kullman-McCool group), Keystone Gulch, Chilito, Hayden area [db_pics/mdpics/MD-177329a.jpg]](db_pics/mdpics/MD-177329a.jpg)
![Quartz (Var: Smoky Quartz) from Mina Tiro Estrella, El Capitan Mts, Capitan District, Lincoln Co., New Mexico, USA [db_pics/mdpics/MD-177349a.jpg]](db_pics/mdpics/MD-177349a.jpg)
![Lazulite, Siderite, Quartz from Crosscut Creek, Area 1 (Kulan Camp), Rapid Creek, Dawson Mining District, Yukon Territory, Canada [db_pics/mdpics/MD-177366a.jpg]](db_pics/mdpics/MD-177366a.jpg)
![Lazulite, Siderite, Quartz from Crosscut Creek, Area 1 (Kulan Camp), Rapid Creek, Dawson Mining District, Yukon Territory, Canada [db_pics/mdpics/MD-177366b.jpg]](db_pics/mdpics/MD-177366b.jpg)
![Fluorite, Quartz from W.L. Davis-Deardorff Mine, Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA [db_pics/mdpics/MD-177369a.jpg]](db_pics/mdpics/MD-177369a.jpg)
![Tsaregorodtsevite, Quartz from Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia [db_pics/mdpics/MD-177435a.jpg]](db_pics/mdpics/MD-177435a.jpg)
![Tsaregorodtsevite, Quartz from Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia [db_pics/mdpics/MD-177435b.jpg]](db_pics/mdpics/MD-177435b.jpg)
![Bismuth, Quartz from St Ives Consols (incl. Wellesley Mine; Wheal Mary), St Ives, St Ives District, Cornwall, England, UK [db_pics/mdpics/MD-177492a.jpg]](db_pics/mdpics/MD-177492a.jpg)
![Hessite, Quartz from Botés, Alba Co., Romania [db_pics/mdpics/MD-177590a.jpg]](db_pics/mdpics/MD-177590a.jpg)
![Hessite, Quartz from Botés, Alba Co., Romania [db_pics/mdpics/MD-177591a.jpg]](db_pics/mdpics/MD-177591a.jpg)