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This is a lovely specimen of gemmy purple amethyst crystals from the classic Veracruz, Mexico locali..
This is a sharply crystallized ruby crystal from Mysore, India. The hexagonal crystal is terminated ..
Staurolite crystals that form 90º twins are rare, and large ones even rarer. This choice specimen fe..
The word "showy" doesn't begin to capture the visual impact of this amazing specimen of pruskite, a ..
This showy specimen of cobaltoan calcite comes from the Congo, and the color is truly aesthetically ..
This specimen of crocoite comes from the now-famous Red River Find at the Adelaide Mine. The crystal..
The transparent, polished surface on this fluorite octahedron lets you look inside to see the gemmy ..
Here is a superb, large cluster of faden quartz crystals with sharply defined white lines running up..
The contrast between the bright pink gemmy tourmaline and the milky quartz and bluish microcline fel..
Here is a beautiful and aesthetic cluster of dozens of malachite hemispheres and stalactites which c..
This is a fine cluster of see-through clear barite crystals with a very slight smokiness on brown ca..
This is a clear tabular quartz crystal from Brazil. It is about .22" thick at its thickest, an..
This is a great specimen of the new-to-the-market in 2017, natural, bubbly lavender botryoidal chalc..
This outstanding Herkimer diamond (quartz) crystal features a large, sharply formed twinned quartz c..
Here is a fine example of zoned fluorite from Namibia. The fluorite is crystallized in very sh..
This is a copper nugget from Michigan that is a bright-as-a-new-penny red-orange copper color. The p..
Here is a bright and colorful specimen of turquoise blue aragonite that comes from China's Yunnan Pr..
The yellow (with a touch of green) adamite crystals on this fine specimen sparkle and glisten in the..
The dark, indigo blue of this exceptionally sharp boleite crystal is really remarkable. The crystal ..
This specimen of fluorite comes from the Denton Mine in Southern Illinois, which has been closed sin..
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