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Mineral Specimens with Calcite
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7.9 x 6.1 x 2.8 cm. This is a plate of gemmy, lustrous, slender scalenohedrons of calcite, on a bed of mossy-colored mottramite, from the famous Tsumeb Mine. This unusual specimen came out of the noted collection of Uli Bahmann, well-known for its fine South African specimens.
6.9 x 6.2 x 3.9 cm. Another specimen from the renowned Tsumeb Mine, snowy rhombs of calcite on sparkly dolomite, with small lustrous balls of deep moss-green mottramite here and there.
8.9 x 6.4 x 3.1 cm. A fine plate of translucent to transparent rhombs of calcite, to 1.2 cm, in perfect condition, from the Tsumeb Mine.
2.9 x 2.5 x 1.5 cm. These calcites look a lot like ENGLISH calcites, but no, they are a cluster of gemmy crystals on matrix from Tsumeb - which turned out calcite specimens in a huge variety, but relatively few gemmy, prismatic specimens such as this one.
12.0 x 9.3 x7.8 cm. This is a truly spectacular, old time English Calcite specimen consisting of dozens of sharp, gemmy, translucent/gemmy "dog-tooth" habit scalenohedral crystals with beautiful inclusions of reddish Hematite creating a very eye-catching cabinet size display piece. The crystals are just bursting out 3-dimensionally in all directions and the piece is essentially crystallized all the way around, showing no matrix from the display side though it remains underneath. Most of the crystals are pristine and the specimen displays very well from several angles. This specimen came out in the late 1800s. Ex. Richard Kosnar Collection.
11.4 x 8.7 x 6.3 cm. Calcite is one of the most abundant species on the planet, but Tsumeb Calcites come in a wide range of habits and colors, making them one of the most diverse species from this historic and prolific locality. This highly attractive display specimen comprises dozens of razor sharp, highly lustrous, white, rhombohedra of Calcite with a wash of reddish colored Hematite inclusions on two sides, creating a stunning two-tone color effect. Largest Crystal: 2.5 cm. on edge. Ex. Richard Kosnar Collection.
10.6 x 7.8 x 4.0 cm. An aesthetic CABINET plate nicely covered with clusters of sea-green fluorite cubes to 2.3 cm from the First Sovietskiy Mine at Dal’negorsk. The cubes are highly lustrous and interestingly, some of the cube faces are preferentially frosted, while others are water-clear. The top face on the large cube is frosted and 3 of the 4 side faces are water-clear. Strange. The matrix is nicely accented with an abundance of tiny calcite rhombs. Mined in September, 2001. New Dal’negorsk material has about disappeared from the market.
12.0 x 9.0 x 6.5 cm. An old-time, classic calcite specimen from St. Andreasberg, Germany. This fine, three dimensional cabinet piece is interestingly zoned. One half of the piece features more isolated, freestanding, gray translucent, nail-head calcite rhombs, while the other half consists of tightly intergrown, colorless, nail-head calcite crystals on massive calcite matrix. The crystals are very nicely striated on both sides. Old material, dating to the 1800s.
7.3 x 5.2 x 2.8 cm. A SUPERB, SUPER-RICH and AESTHETIC Olinghouse gold specimen, which features LARGE for the District gold crystals. The crystals reach 4 mm! This showy piece is RICHLY covered with tiny, scintillating gold wires and a few gold crystals. The gold is etched out of the cream-colored calcite that fills the vugs in the porphyritic host rock. This excellent gold displays beautifully from several views. Ex. Scott Kleine Collection.
3.5 x 2.8 x 2.0 cm. Isolated, super-sharp and lustrous acanthite cubes to 7 mm are jauntily perched on three-dimensional, contrasting calcite matrix on this showy and excellent specimen from the very rich and famous silver mines at Fresnillo, Mexico. Ex. Dave Stoudt Collection.
3.3 x 3.1 x 2.8 cm. A superb, gemmy, intensely green, 1.8 cm emerald crystal set in glassy, colorless calcite rhombs from the less well-known La Pita Mine of Colombia. The crystal broke in half in the pocket, due to tectonic forces, and remains in place by attachment to the surrounding calcite crystals. The upper 1.0 cm has beautiful emerald-green color saturation and gemminess.
6.9 x 4.9 x 2.4 cm. Calcite specimens of all sorts of shapes and varieties were saved by miners from the early days at Bisbee, as they had no commercial value and the miners recognized their beauty. This specimen features a cluster of silky crystals to 1.5 cm on a snow-white matrix. Ex. Dave Stoudt Collection, and was in the William Hiss Collection prior to that.
9.6 x 8.9 x 7.2 cm. Calcite specimens of all sorts of shapes and varieties were saved by miners from the early days at Bisbee, as they had no commercial value and the miners recognized their beauty. This is an other-worldly-looking stalactitic, arborescent formation from the Cole Shaft, out of the collection of Dave Stoudt.
5.6 x 4.6 x 4.2 cm. Calcite specimens of all sort of shapes and varieties were saved by miners from the early days at Bisbee, as they had no commercial value and the miners recognized their variety and beauty. This is a bizarre hollow cast of calcite that looks more like something biological than mineralogical - perhaps a tree fungus. But Bisbee calcite it is! Ex. Dave Stoudt Collection.
4.9 x 4.5 x 3.9 cm. Calcite specimens of all sorts of shapes and varieties were saved by miners from the early days at Bisbee, as they had no commercial value and the miners recognized their variety and beauty. This is another out of the Dave Stoudt Collection that had been in the R. Simpson Collection in the 1930s, so it is an old-timer. It is a wonderful piled-up cluster of lustrous calcite crystals with little inclusions of crystalline bright green malachite that give the piece a light pastel green glow.
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Rob Lavinsky, rob@irocks.com
All Content and Design ©1996-2012 The Arkenstone
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share specimen![Calcite, Mottramite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168669a.jpg]](db_pics/mdpics/MD-168669a.jpg)
![Calcite, Mottramite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168669b.jpg]](db_pics/mdpics/MD-168669b.jpg)
![Calcite, Dolomite, Mottramite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168672a.jpg]](db_pics/mdpics/MD-168672a.jpg)
![Calcite, Dolomite, Mottramite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168672b.jpg]](db_pics/mdpics/MD-168672b.jpg)
![Calcite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168683a.jpg]](db_pics/mdpics/MD-168683a.jpg)
![Calcite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168689a.jpg]](db_pics/mdpics/MD-168689a.jpg)
![Calcite, Hematite from Stank Mine, Barrow, South Western Region (Furness), Cumbria, England, UK [db_pics/mdpics/MD-168700a.jpg]](db_pics/mdpics/MD-168700a.jpg)
![Calcite, Hematite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-168702a.jpg]](db_pics/mdpics/MD-168702a.jpg)
![Fluorite, Calcite from 1st Sovietski Mine (1st Sovietskiy Mine), Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-168741a.jpg]](db_pics/mdpics/MD-168741a.jpg)
![Calcite from St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany [db_pics/mdpics/MD-168750a.jpg]](db_pics/mdpics/MD-168750a.jpg)
![Calcite from St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany [db_pics/mdpics/MD-168750b.jpg]](db_pics/mdpics/MD-168750b.jpg)
![Calcite from St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany [db_pics/mdpics/MD-168750c.jpg]](db_pics/mdpics/MD-168750c.jpg)
![Gold, Calcite from 813 Pit, Olinghouse District, Washoe Co., Nevada, USA [db_pics/mdpics/MD-168824a.jpg]](db_pics/mdpics/MD-168824a.jpg)
![Acanthite, Calcite from Fresnillo de Gonzalez Echeverria (Fresnillo), Mun. de Fresnillo, Zacatecas, Mexico [db_pics/mdpics/MD-168825a.jpg]](db_pics/mdpics/MD-168825a.jpg)
![Beryl (Var: Emerald), Calcite from La Pita Mine, La Pita, Maripi, Vasquez-Yacopí Mining District, Boyacá Department, Colombia [db_pics/mdpics/MD-168828a.jpg]](db_pics/mdpics/MD-168828a.jpg)
![Beryl (Var: Emerald), Calcite from La Pita Mine, La Pita, Maripi, Vasquez-Yacopí Mining District, Boyacá Department, Colombia [db_pics/mdpics/MD-168828b.jpg]](db_pics/mdpics/MD-168828b.jpg)
![Calcite from Calumet and Arizona Mine (Junction Mine; Junction shaft), Calumet and Arizona group of claims (Calumet and Arizona Mining Company group of claims), Bisbee, Warren District, Mule Mt [db_pics/mdpics/MD-169716a.jpg]](db_pics/mdpics/MD-169716a.jpg)
![Calcite from Cole Mine (Cole shaft; Cole No. 3), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-169718a.jpg]](db_pics/mdpics/MD-169718a.jpg)
![Calcite from Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-169740a.jpg]](db_pics/mdpics/MD-169740a.jpg)
![Calcite, Malachite from Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-169741a.jpg]](db_pics/mdpics/MD-169741a.jpg)