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Metacanthian Trilibite from the Mid Devonian Period
Fluorite has long been used as a gemstone and is increasingly popular in the market
red and many other colors corresponding to their physical makeup and conditions when the mineral was formed
Natural copper is relatively soft and often found in intricate and unique structures
Azurite Wulfenite Metacanthian Trilibite from the MidAzurite is a striking copper based mineral found in shades of deep blue to vivid green, sometimes in the same formations. It is a relatively soft mineral, and when exposed to the elements over a long period of time can change into the closely related malachite. Due to its incredibly vivid and deep coloration, Azurite has been sought after since ancient times as a gem and for use in blue pigment. Our specimens consist of fine crystals spread across a
US$ 120.75
US$ 89.00
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US$ 10.50
US$ 900.00
