Talcum, Hua Shi
Talcum, Hua Shi 滑石 Hua Shi (TCM)Talq (Unani)Ha shig ཧ་ཤིག (Tibetan) Green TalcPhoto by Rob Lavinsky iRocks.com Minerological name: Hydrated Magnesium Silicate Mg3 (Si4Oio) (0H)2 Several varieties are known: Talc Soapstone; composed primarily of Talc Substitutions in the basic formula often occur: Al or Ti can substitute Si; Fe, Mn, and Al can substitute Mg; very…