Serpentine
Serpentine is the name given to a subgroup of magnesium, asbestos, and silicate minerals formed in Serpentinite rock. It commonly crystallizes in the forms of masses, fibrous grains, and flat-like plates. The colors can vary from light and dark greens to brown, yellow, white, and grey. It can be found worldwide. There are different varieties of serpentine including atlantisite, lizardite and more.