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Mineral Specimens with Calcite
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This pristine cluster of frosted, creamy pink colored, lustrous, translucent, manganoan calcite rhombs, is just spectacular. Dating from the 1960’s finds here by its style, this specimen has a dusting of tiny chalcopyrite crystals as well as pyrite. The largest rhomb is 5.0 cm on a side. Oh by the way, this specimen fluoresces a vivid orange on long wave ultraviolet light. I know this is "just calcite," but I believe it deserves high status for the quality not only just for the locality, but for a sharp rhombohedral calcite, period! 10.1 X 9.5 X 5.6 cm
An exceptionally elegant specimen of this classic combo! Silver from Kongsberg is already rare enough in good form, but the most treasured pieces are associated with good calcite, for contrast and style! This is a superb matrix piece with unusual elegance and form. It has thick ropy silver wires to 1 cm thick, and can be displayed any number of ways, pretty much from all sides upsidedown or rightside up , with equal ability. 6.9 X 4.5 X 1.6 cm
One gemmy calcite has grown right around another; both are doubly-terminated, with the one on top having the back-end termination growing around a "tail" which was once part of the crystal that has been etched away in the pocket. 5.7 x 4.2 x 2.1 cm
Irai was known for these superb, gorgeous calcites, and then the supply seemed to dry up. There were hardly any available at the last year''s Tucson show, and they were overpriced, so we bought none. Then, to our surprise, we found a cache of new specimens with one dealer at the small Spring Denver Show last year, and cherry-picked all the best ones, and sold them. Then they disappeared again - until finally, a contact brought us the only specimens we saw at this year''s Tucson Show, and we bought the entire lot - the good, the bad and the ugly - in order to get the good ones - like this one, which is truly one of the most beautiful miniatures we have seen - PERFECT aesthetics, just super-elegant! 5.3 x 2.6 x 2.5 cm
A relatively uncommon SMALL and ADORABLE Elmwood calcite specimen - with a golden twin, super-gemmy (2 cm) sitting atop sphalerite, accented by many smaller gemmy calcites. You do not see many wonderful Elmwood specimens in this size range! Elmwood stuff is disappearing from the market FAST> 3.2 x 2.8 x 2.5 cm
Deep pink, gemmy and relatively large crystals of cobaltian calcite from recent mining in Morocco that has produced some outstanding finds of this material; damage is limited to the periphery where the specimen was removed from the surrounding matrix. 6.5 x 3.5 x 2 cm
A SHOWY, AESTHETIC and UNUSUAL Mexican specimen of HOLLOW, sparkly, rust-brown siderite psuedomorphs after doubly terminated calcite crystals on a mound of lustrous, tinted quartz crystals. The longest pseudo is 5.1 cm. This fine, undamaged piece is from the famous La Sirena Mine at Guanajuato. 7.3 x 6.1 x 4.4 cm
BRIGHT fluorescent orange wollastonite in faint-pink fluorescent calcite from the famous Franklin Mine of New Jersey. This excellent piece is from the 2nd or 3rd find at Franklin. 7.6 x 5.0 x 4.5 cm
A large, showy, STUNNING specimen of super-sparkly amethyst that has pseudomorphed the earlier crystals of calcite, forming a hollow "cast" of the calcites. You can see underneath the specimen that the calcites are hollowed out, and tap on the big, striking hexagonal crystal (10 CM ACROSS!) and you will hear that it is hollow as well! Beautiful! This is an exceptional piece for the sort. 15.2 x 9.8 x 8.8 cm
Lustrous rhombs of calcite tinted with inclusions of what appears to be iron, from Santa Eulalia. 8.2 x 3.8 x 2.2 cm
A grossular garnet measuring 0.7 cm (with a handful of smaller ones) on a beautiful matrix of blue calcite! An uncommon specimen from Kenya. 4.2 x 3.7 x 3.3 cm
A gemmy crystal of calcite, doubly-terminated, with the termination at one end having formed around an inner "tail" which was once part of the crystal that was subsequently etched away in the pocket. 6.3 x 1.3 x 0.9 cm
A SUPERB and GORGEOUS Tsumeb specimen of GEM, emerald-green dioptase crystals in isolation and in groups on a mound of pearlescent calcite. Dioptase is one of the most difficult minerals to photograph correctly. The photos do not do the dioptase crystals justice, but they do show the gemmyness of the crystals. MUCH BETTER IN PERSON. 8.2 x 4.8 x 3.7 cm
A glowing 2-cm calcite sits right stop a pie of starburst blooms of gemmy quartz! A beauty from Dalnegorsk! 11.2 x 7.1 x 6.6 cm
This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of this large and relatively complete shell is now full of golden calcite crystals! 10.1 x 8.1 x 5.3 cm
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Rob Lavinsky, rob@irocks.com
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![Silver, Calcite from Kongsberg, Buskerud, Norway [db_pics/mdpics/MD-66593a.jpg]](db_pics/mdpics/MD-66593a.jpg)
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![Calcite (Var: Cobaltoan Calcite) from Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco [db_pics/mdpics/MD-66636a.jpg]](db_pics/mdpics/MD-66636a.jpg)
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![Wollastonite, Calcite from Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA [db_pics/mdpics/MD-66663a.jpg]](db_pics/mdpics/MD-66663a.jpg)
![Quartz (Var: Amethyst), Calcite from Iraí, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-66674a.jpg]](db_pics/mdpics/MD-66674a.jpg)
![Calcite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-66685a.jpg]](db_pics/mdpics/MD-66685a.jpg)
![Grossular, Calcite from Rift Valley Province, Kenya [db_pics/mdpics/MD-66832a.jpg]](db_pics/mdpics/MD-66832a.jpg)
![Calcite from Bor Pit (Boron Pit; Bor Quarry), Dal'negorsk B deposit, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-66834a.jpg]](db_pics/mdpics/MD-66834a.jpg)
![Dioptase, Calcite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-66847a.jpg]](db_pics/mdpics/MD-66847a.jpg)
![Calcite, Quartz from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-66856a.jpg]](db_pics/mdpics/MD-66856a.jpg)
![Calcite from Rucks Pit, Fort Drum, Okeechobee Co., Florida, USA [db_pics/mdpics/MD-66858a.jpg]](db_pics/mdpics/MD-66858a.jpg)