metamorphic
Serpentine
Serpentine group (Mg,Fe)3Si2O5(OH)4
AI-generated identification · may be incorrectHardness of 3-5 on Mohs scale, typically olive-green to greenish-yellow, greasy to waxy luster, massive to fibrous crystal habit.
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Physical properties
Hardness of 3-5 on Mohs scale, typically olive-green to greenish-yellow, greasy to waxy luster, massive to fibrous crystal habit.
Formation & geological history
Formed through the hydrothermal alteration of ultramafic rocks like peridotite during low-grade metamorphism.
Uses & applications
Used for ornamental carvings, asbestos production historically, and architectural stone.
Geological facts
Serpentine is the state rock of California and often hosts valuable deposits of asbestos, talc, and sometimes precious gemstones like jade.
Field identification & locations
Identify by its characteristic green color, soft waxy feel, and occurrence in serpentinite belts worldwide.
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