Tremolite - Tanzania They are found in layers

They are found in layers of very soft rock which is removed to expose the extravagant details of the body and legs

Location: Cuiaba District

Some of the most popular are labeled as "Watermelon Tourmalines" as they are green with a pink center

Location: Mibladen District

Tremolite - Tanzania They are found in layersTremolite is part of a group of silicate minerals that forms in sediments rich in dolomite and quartz. Pure tremolite is a creamy white but will change to a green color depending on the content of iron present. Nephrite jade is actually just a green variety of tremolite. Unfortunately, the fibrous form of this mineral has been classified as one of the six recognized forms of asbestos. At high environmental temperatures, this mineral will convert to