Rough Shungite / 20-40g AVG - 1 LB. LOT #0 Oco geodes are 1

Oco geodes are 1

Weight: 30 g

Typically found in copper mines growing alongside similar minerals like malachite

where elements like magnesium

also known as banded amethyst

Rough Shungite / 20-40g AVG - 1 LB. LOT #0 Oco geodes are 1Quantity: 1 pound Average size range: 20 to 40 grams Shungite is an extremely carbon rich mineraloid, meaning that it shares many qualities with other minerals but does not have an underlying crystalline structure. Containing 98% carbon by weight, most shungite deposits have been found in Russia, with other deposits occurring in other parts of Europe and Asia. The oldest deposits have been dated to approximately 2 billion years ago.