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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 ..
On this specimen, there is a rich combination of azurite and malachite, in bold, contrasting blue an..
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