Tremolite - Tanzania This is the same process

This is the same process that occurs to form amethyst

Size: 7

There are many specimens out there that have been restored and repaired pushing them over that 3-inch mark

Here is a killer example of Brazilian quartz

So far there have been over 100 tons of this material recovered

Tremolite - Tanzania This is the same processTremolite 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