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These well preserved and larger-sized fossils originate from the Monterey Formation in California
During the Eocene
occurring in shades of blue
Aquamarine has a hexagonal crystal structure and is highly prismatic
Incredible specimens of natural uncut aquamarine from Mount Little Xuebaodong in Sichuan
Sugar Quartz With Calcite Amethyst These well preserved and larger-sizedOne of the most common minerals on earth, Calcite is a form of Calcium Carbonate and is one of the primary components in limestone. It is found in a vast array of forms, from prismatic crystals to fibrous wisps. Calcite is clear naturally but it can be found in a variety of brilliant colors due to the presence of chemical impurities during formation. These large, showy specimens contain chunky calcite crystals of exceptional shape draped within a
US$ 89.00
US$ 89.00
US$ 89.00
US$ 89.00
US$ 89.00
