Biotite on Anthophyllite | Czech Republic coral creating a mosaic or "patchwork"

creating a mosaic or "patchwork" appearance

This botryoidal druzy quartz specimen comes from Washington County

often polished specimens from the Torgo Formation represent early life forms

creating a dramatic and highly displayable specimen

This specimen has been photographed with mid wave black light

Biotite on Anthophyllite | Czech Republic coral creating a mosaic or "patchwork"Biotite 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 3 x 1. 75 and weighs 5. 10 oz