Dioptase, Chrysocolla, and Malachite - D.R. Congo It is the same chemical

It is the same chemical composition as the more famous purple amethyst

Chemical Formula: CuSO4·5H2O

We had a few of these bears and this is the only one left online

also known as fossil wood

and the Spanish word for sea

Dioptase, Chrysocolla, and Malachite - D.R. Congo It is the same chemicalThis is a combination of minerals that can not be passed up! Here we have a perfect example of dioptase crystals coated in a thin growth layer of chrysocolla and malachite. Those who collect primarily copper based minerals may not even have specimens like this n their collection. This is a unique piece that will take your collection to the next level. Size: 1. 88 x 1. 56 x 0. 68 in. Weight: 0. 55 oz Dioptase is a fragile, copper based mineral that has