Tremolite - Tanzania roughly 150 million years ago

roughly 150 million years ago

A few common locations in Utah that are famous for producing world-class trilobite specimens are the House Range

This natural citrine specimen is one of the best we have to offer as far as citrine points

Location: Mashamba West Mine

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Tremolite - Tanzania roughly 150 million years agoTremolite 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