Chrysocolla & Malachite - D.R. Congo Tremolite is part of a

Tremolite is part of a group of silicate minerals that forms in sediments rich in dolomite and quartz

The word jasper is derived from the Greek word "iaspi"

This eruption took place around 12 million years ago Its banding comes from groundwater altering its formation

similar to the thermal radiation present in a nuclear explosion

creating a slight orange color in its matrix

Chrysocolla & Malachite - D.R. Congo Tremolite is part of aWe have only had a handful of specimens as interesting as this one. As you can see in the photos, the chrysocolla grew in these raised, mushroom like patterns consisting of a couple of different hues of blue. This piece is sure to add some weirdness to any collection! Size: 2. 2 x 1. 1 x 1. 0 in. Weight: 1. 0 oz Location: Democratic Republic of the Congo Malachite is a copper carbonate mineral that can often be found in botryoidal, fibrous, or