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This item is 10” x 6” and weighs 3 lbs 12 oz
making it a particularly significant specimen for collectors
5” and weighs 3
While gem-quality ruby represents the transparent form of this mineral
Merycoidodon Culbertsoni "Oreodont" Fossilized Teeth
Biotite on Anthophyllite | Czech Republic minerals This item is 10” 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. 5 x 1. 5 and weighs 4. 55 oz
US$ 119.00
US$ 135.00
US$ 99.00
US$ 749.50
US$ 699.50
