Grape Agate Sphere pakistan onyx Amethyst was considered a precious

Amethyst was considered a precious gem until the 18th century when large deposits were discovered in South America

and perfect cubic cleavage

Dimensions: 2

polished into a bar shape and engraved with a moon phase pattern

the bands formed by the deposition of calcite saturated with iron

Grape Agate Sphere pakistan onyx Amethyst was considered a preciousGrape Agate is the name given to the botryoidal Purple Chalcedony that has been recently discovered in Indonesia. So far there has been only one locality found, making this an extremely rare and valuable stone. Average Dimensions: 2. 25 L x 2. 25 W x 2 H inches Average Weight: 0. 58 pounds