The exhibition guides visitors through four thematic sections. The first, Myriad Forms of Crystal Structures, delves into the ...
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Join us at Hogg Mine in Georgia as we uncover an abundance of Aquamarine Beryl, Black Tourmaline, and stunning Rose Quartz ...
Tourmalines are minerals of boron silicate group, and are used as gemstones because of their clarity and very wide range of colors. Tourmaline minerals are found as accessory minerals in some rocks ...
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