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Mineral Specimens with Calcite
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An intergrown cluster of glassy and translucent, calcite crystals, to .7 cm across. The rich teal color is the result of included fibrous aurichalcite.
Rich, blue, fibrous aurichalcite has invaded intergrown, lustrous, calcite rhombs, to 1.25 cm across. The rhombs are emplaced on a sliver of limonite matrix.
Although contacted on the back side, this 1.0 cm across rhomb of lustrous and translucent calcite is nicely colored a rich blue by fibrous inclusions of aurichalcite.
Perched aesthetically on smaller rhombs is a 1.8 cm across, tabular rhomb of lustrous and translucent, calcite that has been included by a lovely blue, fibrous aurichalcite. A superb thumbnail!.
Bright blue, fibrous aurichalcite has been included in rhombs of lustrous and translucent, calcite, to 1.1 cm across. An elegant, aesthetic cluster, complete all around, this is a jewel for the price range and size range
This is very simply, a huge, well formed, rhomb of lustrous and translucent, calcite that has been RICHLY included by fibrous, richly colored blue aurichalcite. A minor contact on the back side is unimportant when compared to this crystal and its color, and its perfection on the display faces. Wow! For a single, impressive blue rhomb, this will definitely stand out upon any shelf. There is, I think, nothing quite like these in the mineral world.
Intergrown rhombs of lustrous and translucent calcite, to 1.0 cm across, have been colored a rich blue by fibrous inclusions of aurichalcite. A nice, sizable plate o fhigh quality
Rather equant rhombs of glassy and gemmy calcite, to 1.2 cm across are aesthetically perched on limonite matrix. Just a hint of fibrous blue aurichalcite is seen in the rhombs.
A small miniature with huge impact, featuring two sharp, tabular rhombs of calcite to 3 cm across are heavily invested with a rich blue, fibrous aurichalcite.The crystals are lustrous and translucent except for one more transparent and colorless, gemmy corner. Large, elegant crystals for this find....and color! This is a stunning specimen, perhaps not for the lover of matrix pieces, fine nonetheless and worth it just for the unique, unearthly color.
Intergrown rhombs of lustrous and translucent calcite, to 1.7 cm across, are heavily invested in fibrous aurichalcite, resulting in a rich blue color. Peripheral contact or wear is present but the color is intense.
A series of intergrown, lustrous and translucent, calcite rhombs, to 1.0 cm across is perched on limonite matrix. The crystals have a rich blue color thanks to fibrous inclusions of aurichalcite and make for a dramatic display atop matrix
Emplaced on limonite is a cluster of lustrous and translucent, rhombs of calcite, to 1.0 cm across. The crystals have been heavily included by fibrous, aurichalcite, resulting in a rich blue color. Nice, sharp thumbnail example with great color!
This is a simple, stark matrix specimen of a single, equant, glassy and gemmy rhomb of calcite, measuring 1.5 cm across. It has been only very lightly included by fibrous aurichacite, resulting in a pastel blue color in shades and wisps internally. The crystal form and color contrast on the limonite are superb. Probably, this should be trimmed to be a much more significant thumbnail specimen of calcite from here, than left as a miniature.
A dusting of fibrous, blue aurichalcite covers its limonite matrix. Set in the center of the specimen is a lustrous and translucent, equant, calcite rhomb, measuring 1.1 cm across. The rhomb is colored a rich blue from fibrous inclusions of aurichalcite. STARK isolation and drama make this, if not a pricey piece, one of the most interesting visually as a collectible.
Pastel blue, fibrous aurichalcite covers its limonite matrix. Situated on top is a cluster of lustrous and translucent, equant, rhombs of calcite, to 1.25 cm . Differential inclusions of fibrous, aurichalcite have resulted in some rhombs having a rich, blue color, others ahving a pastel blue color. Unusual in this pocket!
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Rob Lavinsky, rob@irocks.com
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