metamorphic
Greenschist
Metamorphic rock (chlorite, epidote, actinolite, albite)
AI-generated identification · may be incorrectHardness varies around 3-5 on the Mohs scale, green to grayish-green color due to chlorite, submetallic to vitreous luster, and foliated structure.
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Physical properties
Hardness varies around 3-5 on the Mohs scale, green to grayish-green color due to chlorite, submetallic to vitreous luster, and foliated structure.
Formation & geological history
Formed by regional metamorphism of mafic igneous rocks such as basalt at low temperatures and pressures.
Uses & applications
Used locally as crushed stone for landscaping and sometimes as decorative building stone.
Geological facts
The characteristic green color comes from abundant green sheet silicates like chlorite and actinolite.
Field identification & locations
Identify by its distinctive green color, foliated texture, and occurrence in mountain-building belts.
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