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The color contrast on this two-color fluorite specimen is terrific. Underneath is a field of octahed..
This is a highly sculptural specimen of terminated quartz crystals, artistically arranged in a long,..
This is a colorful specimen of blue fluorite, from the Blanchard Mines in Bingham, NM. The piece is ..
The rich, saturated blue color of this apatite crystal is really amazing. The apatite is opaque, and..
This extra-large specimen of selenite features large, sharp, gemmy crystal blades sticking out on al..
This is a group of 9 amazingly bright, extraordinarily sharp interlocking pyrite cubes that create a..
This fluorite specimen from Mongolia is made up of indigo blue fluorite crystals with purple zoning...
The glowing golden yellow color of the terminated calcite crystals on this specimen is lovely and is..
This is a sharp dravite tourmaline crystal, nearly complete all around, with lustrous faces and trig..
This is a group of lovely bundles of thin stibnite crystals from China, with sharp, undamaged termin..
The brilliant, glossy quartz crystals on this specimen are clear, tabular and double terminated, and..
Here is a fine specimen from Mongolia featuring a number of dark blue fluorite crystals covering whi..
Here is an amazing pyrite specimen. It is a highly complex, tight cluster of 20 interlocking twinned..
This fine specimen features translucent, botryoidal, spherical aggregates, with good luster and high..
This dramatic specimen features gem-clear, sharply terminated amethyst crystals in a three-dimension..
Here is an excellent, classic specimen of barite crystals from the Sterling Mine in Stoneham, Colora..
Ernie Schlichter was a legendary mineral collector and dealer from Massachusetts. He was a frequent ..
Rhodochrosite from the Sweet Home Mine in Alma, CO is the standard against which all other rhodochro..
Uvarovite is the name given to the green calcium chromium garnet end member. The Saranovskii localit..
Here is a slice from a watermelon tourmaline crystal that has been polished on both faces to highlig..
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