metamorphic
Serpentine
(Mg,Fe)3Si2O5(OH)4
AI-generated identification · may be incorrectHardness of 3-5 on the Mohs scale, mottled green to brownish color, greasy to waxy luster, monoclinic crystal system, and no distinct cleavage.
Identified More metamorphic →
Explore Serpentine in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 3-5 on the Mohs scale, mottled green to brownish color, greasy to waxy luster, monoclinic crystal system, and no distinct cleavage.
Formation & geological history
Formed via serpentinization, a low-temperature metamorphic alteration of ultramafic rocks from Earth's mantle, typically occurring near divergent plate boundaries.
Uses & applications
Used primarily as an ornamental stone, for carvings, in architectural panels, and historically as a source of asbestos.
Geological facts
Serpentine is the state rock of California and often mimics jade, leading to its historic nickname 'California jade'.
Field identification & locations
Identified by its characteristic waxy green appearance and softness, commonly found in ophiolite belts worldwide.
More like this
