Mineral - Serpentine

Name Serpentine
Class Silicates
Category Mineral
Crystal system Monoclinic to orthorhombic
Chemical composition Hydrated magnesium silicate (Mg₆[(OH)₈|Si₄O₁₀])
Hardness (Mohs scale) 2.5 to 5.5
Transparency Translucent to opaque
Geographical origin United States, Canada, Italy, Russia, China, New Zealand