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glowing copper highlights
reds) that develops on its fresh bronze-brown surface as it oxidizes
Modern day stromatolites are rare
Its name comes from the Greek word ""amethytos"" meaning not drunk
This item is 11” x 6” and weighs 41
Biotite on Anthophyllite | Czech Republic Amber Specimen glowing copper highlightsBiotite 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. 75 x 2 and weighs 6. 85 oz
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