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Here is an unusually large single crystal of amethyst from the classic VeraCruz locality in Mexico. ..
The crystals on this lab grown specimen of chalcanthite are sharp and well-formed and are colored an..
Mohawkite is a blend of copper and two other rare minerals: algodoite and domeykite. This is a..
This self-collected specimen is an oversized fluorapatite crystal colored a rich green-brown. The cr..
This specimen features dozens of sharp, lustrous, glassy-faced spinel crystals that stick out like g..
This is a fine specimen-a lustrous, classic blue crystal of jeremejevite from Namibia. Jeremejevite ..
Here is fine specimen of skutterudite, a rare nickel cobalt arsenide, that comes from Bou Azzer, Mor..
This is a lovely specimen of bulls' eye malachite with turquoise blue chrysocolla, from the Congo. I..
The lustrous huebnerite crystals on this specimen are a rich, dark, cherry red color, not the usual ..
Here is an excellent specimen of crocoite from the Adelaide Mine. It features needle-like crystals a..
Here is a superb specimen of pyromorphite from the 2012 find during new work at the ancient Gute Hof..
The end of this fulgurite is hollow, which shows how this fulgurite was formed. It is a skinny tube ..
Here is a great cubic fluorite specimen from a classic locality: the world-famous Minerva #1 Mine. T..
On this specimen, manganese dendrites branch out in intricate patterns on cream-colored limest..
Here is a beautifully-formed specimen of botryoidal bubble chrysocolla, which covers both sides of t..
The surfaces of this almandine garnet from India have been polished to a high luster, showing off th..
Here is a cluster of double terminated calcite crystals that comes from recently mined material from..
The vanadanite crystals on this specimen very sharp hexagons with flat terminations on both sides, a..
This is a well-formed, large, 12-sided dodecahedral almandine garnet, that was found in Vietnam. The..
Ancient Chinese records describe the fiery fall of a meteorite in NanDan in 1516. This is a piece du..
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