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Here is a fine specimen of crocidolite, a rare variety of riebeckite. It consists of highly compacte..
I collected this fine specimen of black tourmaline in 1990 at the historic Powers Farm locality. Bac..
At Mount Malosa, aegerine often forms in long slender crystals like this one. The elegant crystal is..
The crystals on this fluorite specimen form the El Tule mine are colored a vivid violet all over the..
I have friends from the Congo who import some of the finest malachite available from this prolific s..
Here is a very colorful dioptase specimen from Kazakhstan that is a rich emerald green. Most of the ..
This is a very beautiful specimen of a variety of reddish-pink rose quartz that is often called "pin..
This fine quartz specimen features an all gem, highly lustrous, razor sharp Herkimer Diamond crystal..
The smoky quartz crystals on this specimen are overgrown with brilliantly lustrous, flashy spessarti..
Here is a piece of meteorite shrapnel from the explosion of the Sikhote Alin meteorite which was rec..
This is a 1.7" diameter blue flattened azurite disc set on a white kaolinite matrix on this showy sp..
The color of this aragonite from China is a rich, vibrant turquoise blue which really catches the ey..
The size and sharpness of this almandine garnet crystal are pretty amazing. Rarely do garnets ..
Here is a fine specimen of dioptase from the Congo, featuring sharp crystals and a mirror-bright fla..
This is a very striking crystal of blue halite, which is salt! This colorful piece has vivid royal b..
This nickel-iron meteorite comes from the famous Canyon Diablo meteorite, which created Arizona's Me..
On this fine sulfur specimen from Bolivia the white matrix is covered with sparkling gemmy sufur cry..
The 6-pointed star in this oval gem cabachon of ruby is sharp and fairly bright, and shows best when..
The surfaces of this almandine garnet from India have been polished to a high luster, showing off th..
Here is a nearly complete specimen of rutile, a glossy, sharply-crystallized, multi-faceted crystal ..
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