Tremolite - Tanzania The matrix is chlorite-muscovite schist

The matrix is chlorite-muscovite schist

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

giving rise to the flashes of color we all know and love

Spinel comes in a wide variety of colors

complemented with a stunning bezel set kite-shaped lapis lazuli

Tremolite - Tanzania The matrix is chlorite-muscovite schistTremolite 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