Tortoise - Fossil Specimen Calcite Round Beads The pink coloration in this

The pink coloration in this calcite is typically caused by trace amounts of manganese substituting into the crystal structure

elongated crystals with a vitreous to slightly metallic luster

supporting discipline

quartz can trap epidote crystals as it develops

and carrying the weight of long history

Tortoise - Fossil Specimen Calcite Round Beads The pink coloration in thisMined from: White River Badlands, White River Group Formation, South Dakota, U. S. A. Era: Cenozoic Geological Age: 2334 mya Description: This one of a kind tortoise fossil specimen from South Dakota preserves a partial fossilized tortoise shell with visible plate divisions, natural cracking, and a pale beige to blue grey mineralized surface. The domed shape, segmented shell pattern, and weathered edges give it a strong natural display presence while