metamorphic
Serpentine
Serpentine subgroup minerals (e.g., antigorite, chrysotile, lizardite)
AI-generated identification · may be incorrectHardness of 3-5 on Mohs scale; dark green, light green, or mottled color; greasy to waxy luster; monoclinic crystal system.
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Physical properties
Hardness of 3-5 on Mohs scale; dark green, light green, or mottled color; greasy to waxy luster; monoclinic crystal system.
Formation & geological history
Formed by the metamorphism of ultramafic rocks from the Earth's mantle in hydrothermal environments.
Uses & applications
Used for ornamental carvings, architecture, asbestos production historically, and as a state rock in several regions.
Geological facts
Serpentine is the official state rock of California and often displays a snake-like skin appearance which inspired its name.
Field identification & locations
Identify by its characteristic slippery or waxy feel, green coloration, and lower hardness compared to similar-looking rocks.
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