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There are some sharp, well-formed gemmy prismatic dioptase crystals to 14 mm perched atop the light ..
Here is a lab-grown specimen of pure bismuth that has an incredible shape and is very beautiful. It ..
Here is a fine specimen of the very rare lithium pegmatite mineral, petalite. It is a large crystal ..
Inside this gem rough specimen of fire agate are lovely formations that resemble smooth mounds of bu..
I think spessartine garnets are one of the most beautiful members of the garnet family, and this spe..
Here is a specimen of octahedral green fluorite on matrix that comes from the classic New England lo..
Anthophyllite is a rare amphibole mineral. In this specimen, it occurs as elongated, interlocking, o..
The rose quartz crystals from this locality in India have been given the unusual name "Heart of the ..
Here is a crystal of brightly metallic molybdenite, from Wolfram Camp, which is arguably the world’s..
There are 2 colors of fluorite on this specimen: first is a light, gem clear blue color that is high..
This is a gem ruby cabochon with a unique feature: a sharp 6-ray star that shows up when the gemston..
This is a colorful specimen of sliced fluorite with dozens of banded phantom layers in multiple vivi..
Here is a lovely specimen of aquamarine with black tourmaline crystals and white microcline that fea..
The Blanchard Mine is the classic southwestern U.S. locality for blue fluorite, and this specimen fr..
Mimetite crystals from the Pingtouling Mine caused a huge stir when they were discovered in China ba..
Here is a spectacular lab-grown alum crystal from China, in a shape somewhat reminiscent of a pineap..
The color of this twinned pair of French barite crystals is a light golden yellow, with gray underto..
There are 3 stacked tiers of clear crystals, separated by .2"-thick strata of solid selenite on this..
Here is a beautiful fluorite specimen with transparent, water clear, flashy cubic crystals with no m..
This pair of twinned crystals of spessartine garnet practically glows with a captivating, translucen..
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