mineral
Serpentine
Group of hydrous magnesium iron phyllosilicates ((Mg,Fe)3Si2O5(OH)4)
AI-generated identification · may be incorrectHardness 2.5-5.5 on Mohs scale, typically green to yellow-green with a greasy or waxy luster, and a monoclinic crystal system.
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Physical properties
Hardness 2.5-5.5 on Mohs scale, typically green to yellow-green with a greasy or waxy luster, and a monoclinic crystal system.
Formation & geological history
Formed through hydrothermal alteration and metamorphism of ultramafic rocks from the Earth's mantle, commonly occurring in oceanic crust subduction zones.
Uses & applications
Used in ornamental carvings, decorative architecture, asbestos production historically, and as a popular collector mineral or tumbling stone.
Geological facts
Serpentine is the state rock of California and gets its name from its mottled green appearance resembling snake skin.
Field identification & locations
Identified by its characteristic green color, soft greasy feel, and occurrence in serpentinite rock bodies worldwide.
