Tortoise - Fossil Specimen Calcite Round Beads elongated crystals with a vitreous

elongated crystals with a vitreous to slightly metallic luster

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

Approximate weight for 1 pc: 10g

this green isn’t due to dye or inclusions but a natural mineralogical reaction

Description: This one of a kind Vanadinite with Barite specimen from Morocco features rich reddish-brown Vanadinite crystals spread across a contrasting cream to tan Barite matrix

Tortoise - Fossil Specimen Calcite Round Beads elongated crystals with a vitreousMined 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