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Here is a French barite crystal from Auvergne that was mined by a French collector who sold it to me..
Metallic silver crystals flash brightly with reflected light on this fine specimen of Chinese arseno..
Here is a specimen of anthophyllite, featuring long blue-gray fibers that are locked solidly togethe..
Wulfenite from the Red Cloud Mine in Arizona is famous for its red-orange color and sharp tabular ha..
Here is a fine gemmy tsavorite crystal from Tanzania. It is well formed, very shiny, and very gemmy,..
Here is a superb specimen of bismuth, lab grown to create large, sharp, perfect crystals. The ..
Here is a Herkimer diamond crystal cluster from the Hickory Hill Diggings in Fonda, NY made up of ge..
Over 500 years ago, in 1516, a meteorite was seen streaking across the sky in NanDan, China, an even..
This pyrite is a pyritohedral crystal, with brilliant metallic luster and smooth shiny faces that ac..
This imperial topaz crystal, which weighs 10.8 carats, has excellent color for its size, not the typ..
I visited an imperial topaz mine near Ouro Preto during my trip to Brazil's Minas Gerais province. T..
The overall impression created by the piece is very dramatic: the intense ruby red color draws the e..
The largest cube in this twinned grouping of 2 pyrite crystals measures 2" from tip-to-opposite-tip,..
Here is a highly sculptural, fine quality specimen of sage green quartz (prase) from Serifos. The ex..
Here is a delightful single crystal of lemon yellow apatite. The color is bright, and the crystal ha..
You will be amazed by the rich, saturated, crimson red color of this fine example of arcanite. ..
Here is a 165 gram specimen of pink opal gem rough that comes from the Acari copper mine near Nazca...
Here is a specimen of green octahedral fluorite that comes from a classic New England locality: the ..
This is a very flashy, polished nugget of mohawkite, a rare mineral composed of arsenian copper, alg..
Here is a polished slice of malachite that was cut from a malachite stalactite, then polished to rev..
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