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This is a very attractive specimen of barite from the 2012 pocket at the Linwood Mine. The sharply-f..
Here is a specimen of lab-grown bismuth that features large crystals in brilliant, heavily saturated..
The lovely amethyst stalactites from Uruguay are sometimes sliced into thin slabs then polished to r..
This is a beautiful specimen of gemmy smoky quartz on microcline from Moat Mountain in New Hampshire..
Here is a large crystallized plate of selenite from the White Ice Mine in Utah. It is clearer than a..
The bladed kyanite crystals on this specimen are colored an intense sapphire blue, in a shade that i..
Here is a Herkimer diamond quartz crystal that is sharp and gem clear. The planes of the crystals ar..
Here is a fine cubic fluorite specimen from a classic locality: the world-famous Denton Mine. The Il..
Here is a lovely polished slice of amethyst from Uruguay, a piece of a stalactite that has been thin..
On this amazing specimen there are several flower-shaped clusters of white andalusite crystals, whic..
The fiery colors inside this Ethiopian fire opal are bright and luminescent, creating flickering spa..
This fine, 3.2 pound specimen of labradorite shimmers with bright iridescence, which is visible on t..
Here is a see through transparent gem yellow apatite crystal from this classic locality in Mexico. T..
Lepidolite is a lavender-colored mica that is found in lithium pegmatites. This specimen is somethin..
Here is a lovely specimen of adamite, featuring sharp, gleaming yellow-green crystals perched up ato..
This aqua aura quartz crystal is see-through clear at the top, with brilliant luster and excellent q..
Here is a sample of the new labradorite that is being mined at the new Norcross quarry in Madagascar..
This is a fine specimen of phantom flurite from the long-closed Denton Mine in Illinois. The phantom..
Here is a fine stalactite-shaped piece of copal amber from Madagascar's Cap d'Ambre. The specimen is..
This fine specimen features translucent, botryoidal, spherical aggregates, with good luster and high..
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