Talc is the softest mineral on earth so that you can scratch it with your nails. It is a clay mineral composed of hydrated magnesium silicate and often presents the illusion of olivine,
2277 Longyang Rd. Pudong, Shanghai, China info@mixingchina.com
Talc is the softest mineral on earth so that you can scratch it with your nails. It is a clay mineral composed of hydrated magnesium silicate and often presents the illusion of olivine,