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Mineral Specimens with Calcite
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This is worth every bit of the asking price just as a world-class, huge and gorgeous calcite crystal. But when you add the flashing purple and blue chalcopyrites at the top, and PHANTOMS inside, it just amazing! The crystal is complete and perfect all the way around, and from any direction, it shows a dozens flashing sub-terminations. The luster is intense! Each of the “sub” crystals on this compound crystal contains its own sharp phantom. At the top, where the crystal grew against the top of the pocket, it took away a bit of the matrix with it, and these amazingly colorful chalcopyrite crystals (there is one small contact cleavage in this area which doesn’t matter at all). 20 x 9 x 10 cm
This is actually the type locality for dioptase – it is not Tsumeb, as some people think! At any rate – ths specimen is not notable so much for the size of its crystals as much as for the very pretty sprinkling of the crystals over the rolling, 3-dimensional matrix of calcite. The color is a nice, bright “Tsumeb” green, and the crystals , to half a cm, have good luster! 9.5 x 7 x 4.7 cm
The golden calcite crystals shooting from the top of this specimen are much prettier, in fact GORGEOUS – in person – they are sheaf-like intergrowths of thin, gemmy crystals. These crystals have grown on a base of calcite and fluorite. 9 x 7 x 6.5 cm
Not one or two but a PROFUSION of twinned calcite crystals, growing together on a single plate! The twins measure to 3 cm across. Though there are a few dings, this can be excused when you consider what a rare thing this is! From the now infamous find of the late 1990s, and the best fishtail twins yet found in China. 13 x 8 x 5.8 cm
The incredible gemminess of this calcite crystal, which just does not come out in the pics, makes it hardly seem like calcite at all! You sometimes see this remarkable quality in crystals from the Daye area. The crystal itself measures 3.5 cm in length. It actually throws off spectral colors! – and, some of the faces show very pretty striations. 4.8 x 3.2 x 2.5 cm
This specimen is simply a great combo piece! Calcite is VERY rare from this quarry, and seldom associated with cavansite even when found. This piece shows off a huge, pseudo cubic, golden-colored, calcite crystal with a wonderful and sparkly luster, perched on a contrasting stilbite matrix. Above and to the right of the calcite is an aesthetic cluster of deep royal blue cavansite, which emits a bright luster. The overall specimen has a wonderful sculptural feel. The calcite crystal, which measures 6 cm across, also has the additional perks of darker edges and, internally, one can see a rainbow effect come out in good lighting. The main cavansite group is 3cm across. The color contrasts in this piece are spectacular! The combination is rare. And the association is aesthetically made...just a very unique piece, overall! 15 x 12.3 x 9.2 cm
You want a unique Indian calcite??? This is as unique as it gets; a self standing rocketship! From a pedestal of golden calcite around which grew a layer of colorless, drusy quartz, perches an angled, doubly terminated scalenohedron. The color is fascinating, with gemmy, transparent golden calcite accented by the overgrowth of dark brown-black calcite which the calcite crystal later developed on preferential faces. The calcite measures a full 8 cm from tip to tip and has good luster. This is all topped off by a cute accent: a colorless, doubly terminated, stilbite crystal. The stilbite is 1.5 cm across. I HAVE NOT not seen another specimen like it. This is really too "cool" for more words! 2 sides and a down-view are shown. 8 x 5.7 x 4.1 cm
This is a really unusual specimen. A crystal of calcite is perched atop, or impaled by, a stalactite of colorless quartz upon which, are several small lemony-yellow botryoidal fluorite spheres. Encrusted around the calcite core atop the pedestal are rhombs of calcite, to 3 cm across. As some of the calcite seems to hav ealtered to quartz at the surface, it appears that there has been at least, partial replacement(pseudomorphism) of the whole specimen by a later generation of quartz. UNUSUAL! this piece is pristine and complete all around, too 12.7 x 5.2 x 4.8 cm
This is a one of a kind calcite specimen. Dark tan, translucent and lustrous calcite rhombs growing one atop the other in perfect linestep , formed what appears to be a stalactite. On the other side, is a growth of tan chalcedony which parallels the calcite growth. This is really a neat oddball specimen! 16.5 x 2.2 x 1.5 cm
This is the classic "poker chip" style for which the mine is famous, but arranged in a most unusual form! The poker chip calcites completely surround and grow up along a slender central calcite (or perhaps aragonite) stalactite. The piece is complete all around and 3-dimensional! 12.3 x 3 x 2.9 cm
A beautiful, arborescent, sculptural cluster of intergrown stalactites! The piece is complete all around and 3-dimensional! Note the fine minute crystallization throughout, showing that it is not just a cave formation but rather a stalactitic crystal aggregate 11.1 x 4.4 x 3.1 cm
A beautiful, unique, sculptural and partially hollow, polished large cabinet-sized rounded half from a septarian shale geode of fluorescent yellow and brown calcite lining a vug. The unique aspect of this geode is the aesthetically placed fan of large, amber baryte blades in the cavity. Baryte is very uncommon from such geodes and this a superb one. This piece comes from Muddy Creek, Orderville, Kane Co., Utah. 14.5 x 12.8 x 7.5 cm
A DRAMATIC and SIGNIFICANT LARGE CABINET combination piece from the famous Nanisivik Mine, above the Arctic Circle on Baffin Island, North West Territory, Canada. Most of the specimen and matrix consists of sparkly, brassy pyrite blades pseudomorphing marcasite. Aesthetically scattered are lustrous, doubly terminated, amber calcite crystals to 1.8 cm, clusters of lustrous, chalcopyrite-speckled, gray dolomite rhombs, and transparent, water-clear, doubly terminated quartz crystals to 5.8 cm. Scattered periphery damage is trivial, for such a large piece. The Nanisivik Mine is one of the highest latitude and coldest underground mines in the world. 15.3 x 11.5 x 7.0 cm
An AESTHETIC and BEAUTIFUL thin CABINET plate covered with translucent, frosted, colorless calcite scalenohedrons to 5.5 cm from Irai, Brazil. All of the major calcites are pristine and the dominating, upright crystal really sets this showy piece off. 10.8 x 6.5 x 3.4 cm
An AESTHETIC, lustrous and pristine, multi-faceted, bright copper-in-calcite scalenohedron on a bit of matrix with green epidote and a very narrow seam with a stray, tiny silver wire or two from the famous Keweenaw Peninsula of Michigan. A different perspective to this beautiful, old-time piece is given with each bit of rotation. Ex Richard Hauck Collection. 3.4 x 2.7 x 2.3 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Calcite, Chalcopyrite from Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA [db_pics/mdpics/MD-61020a.jpg]](db_pics/mdpics/MD-61020a.jpg)
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![Calcite, Fluorite from Annabel Lee mine, Harris Creek Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA [db_pics/mdpics/MD-61033a.jpg]](db_pics/mdpics/MD-61033a.jpg)
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![Calcite from Daye Co., Huangshi Prefecture, Hubei Province, China [db_pics/mdpics/MD-61038a.jpg]](db_pics/mdpics/MD-61038a.jpg)
![Calcite, Cavansite, Stilbite from Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra, India [db_pics/mdpics/MD-61047a.jpg]](db_pics/mdpics/MD-61047a.jpg)
![Calcite, Quartz from Nasik District, Maharashtra, India [db_pics/mdpics/MD-61050a.jpg]](db_pics/mdpics/MD-61050a.jpg)
![Quartz, Calcite, Fluorite from Mahodari, Nasik District, Maharashtra, India [db_pics/mdpics/MD-61062a.jpg]](db_pics/mdpics/MD-61062a.jpg)
![Calcite from Jalgaon District, Maharashtra, India [db_pics/mdpics/MD-61073a.jpg]](db_pics/mdpics/MD-61073a.jpg)
![Calcite from Charcas, Mun. de Charcas, San Luis Potosí, Mexico [db_pics/mdpics/MD-61093a.jpg]](db_pics/mdpics/MD-61093a.jpg)
![Calcite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-61095a.jpg]](db_pics/mdpics/MD-61095a.jpg)
![Baryte, Calcite from Muddy Creek, Orderville, Kane Co., Utah, USA [db_pics/mdpics/MD-61197a.jpg]](db_pics/mdpics/MD-61197a.jpg)
![Pyrite, Marcasite, Calcite, Dolomite, Quartz from Nanisivik Mine, Nanisivik, Baffin Island, Nunavut Territory, Canada [db_pics/mdpics/MD-61202a.jpg]](db_pics/mdpics/MD-61202a.jpg)
![Calcite from Iraí, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-61203a.jpg]](db_pics/mdpics/MD-61203a.jpg)
![Copper, Calcite, Epidote, Silver from Keweenaw Co., Michigan, USA [db_pics/mdpics/MD-61226a.jpg]](db_pics/mdpics/MD-61226a.jpg)