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This fine quartz specimen features an all gem, highly lustrous, razor sharp Herkimer Diamond crystal..
This is a collection of 7 sharp fluorite octahedrons from Illinois. To make these, massive fluorite ..
This is a very rare crystal of translucent, double terminated, bladed kyanite in an unusual rich ora..
This specimen is a dark brownish gray schist that is loaded on alls sides with sharp sillimanite cry..
This specimen of smithsonite from Mexico features a lovely soft lavender purple color and a bubbly s..
Here is a superb single crystal of golden yellow apatite. The color is an attractive, sun-drenched s..
This is an amazing specimen of pyrite, crystallized as a very sharp (and 100% natural) cubic crystal..
The pyritohedral crystals on this Peruvian pyrite specimen are very sharp, with mirror-bright luster..
Here is a rare terminated kyanite crystal from Tanzania, in an even rarer red-orange crystal. The su..
This is a big, white milky quartz crystal from a now-exhausted locality in Haddam, CT. I collected i..
Here is a large 1.5 pound copper nugget. polished on both sides, which is very shiny and brightly lu..
Here is a brightly colored yellow fluorite specimen from the famous Moscona Mine in Spain. The cryst..
The amethyst in this double terminated quartz crystal is a rich violet-purple color, and it forms a ..
Here is a colorful gem specimen of copal amber which came from the world-famous diggings in Madagasc..
In 2018 the Fishtail prospect at the Blanchard Fluorite Mines gave up some fine specimens of blue fl..
This is a fine small cabinet specimen of cobaltoan calcite. It is almost completely covered with sha..
Here is an impressive cluster of elongated, hexagonal pyromorphite crystals, on which some of the ou..
Here is a specimen of gem quality moldavite that features deep ridges and furrows separated by smoot..
Here is an excellent, gemmy sulfur specimen from the Cianciana Mine in Sicily. Since the mines in Si..
Here is a superb cabinet size specimen of fluorite from the Rogerley Mine in northern England. ..
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