Biotite on Anthophyllite | Czech Republic minerals This item is 6 x

This item is 6 x 3

making it a particularly significant specimen for collectors

almost coral-like textures

This polished freeform highlights its vivid royal blue tones accented by shimmering gold and soft white calcite veining

55 oz and is 3

Biotite on Anthophyllite | Czech Republic minerals 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. 5 x 1. 5 and weighs 4. 55 oz