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This item is 6” x 4” and weighs 20
Discovered in California in 1902 and named after gemologist George F
and mossy green
and the US
Chrysocolla is a copper-based mineral often found in oxidized copper deposits
Biotite on Anthophyllite | Czech Republic celestite This item is 6” xBiotite on anthophyllite refers to a common geological occurrence where dark mica (biotite) crystals grow within or around fibrous anthophyllite, an amphibole mineral, often forming attractive specimens with distinct textures like bladed crystals or nodular "balls," indicating specific metamorphic conditions (low HCl fluids). This item is 2 x 1 and weighs 5. 10 oz
US$ 19.00
US$ 139.00
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US$ 139.00
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