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The yellow-gold crystals on this specimen from the Glove Mine in Arizona are thin enough that you ca..
Azurite from Milpillas is the finest available from anywhere in the world right now, and since the d..
Here is a polished specimen of glowing, golden yellow copal amber, with several insects inside: a co..
This double-terminated crystal of kunzite is a delightful, pastel shade of lavender pink, with deepl..
The yellowish green adamite crystals on this fine specimen sparkle and glisten in the light, making ..
This is a great specimen of the latest green fluorite that has come out of Madagascar, which was a b..
Here is an extra-large garnet crystal that is unusually well-formed and remarkably sharp for its siz..
This is a fine cluster with several terminated Tibetan quartz crystals, which was mined in the Himal..
Navajun pyrite crystals are known world-over for their sharp, nearly perfect cubic crystal habit. Th..
This lovely specimen of aquamarine with black tourmaline features excellent aesthetics and sharp cry..
Here is a specimen of deep blue azurite, flanked by fibrous green malachite. There is a vug lined wi..
From the type locality in Michigan, this is a brightly polished nugget of mohawkite, a rare mineral ..
This crystal section is a lovely clear, gemmy specimen of the rare lithium mineral petalite. This pi..
This is a superb deep blue and violet phantom fluorite specimen with sharp penetrating twin crystals..
Here is a specimen of pink opal from Peru. The color is a rich, rosy pink that is vivid and really e..
The copper mine at Milpillas, Mexico earned its status as a modern classic by producing jewels of az..
The native element bismuth crystallizes in amazing hoppered shapes when it grows on a cooling melt. ..
Here is a fossil coprolite (fossilized dinosaur poop) that probably came from a duck-billed dinosaur..
This cluster of cubic fluorite crystals is colored a rich royal blue, with multiple purple phantoms ..
These days, Burmese jade comes from Myanmar, which used to be named Burma. This is a polished slice ..
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