metamorphic
Schist
Metamorphic Rock
AI-generated identification · may be incorrectHardness varies from 3 to 4 on the Mohs scale, featuring distinct foliation with visible platy mineral grains. Colors range from silvery gray to green and brown with a shiny, pearly luster.
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Physical properties
Hardness varies from 3 to 4 on the Mohs scale, featuring distinct foliation with visible platy mineral grains. Colors range from silvery gray to green and brown with a shiny, pearly luster.
Formation & geological history
Formed through regional metamorphism of preexisting pelitic sedimentary rocks or igneous rocks under high temperature and pressure.
Uses & applications
Used primarily as low-grade construction aggregate, landscaping stone, and historical building material.
Geological facts
Schist is characterized by its high degree of foliation, known as schistosity, which allows it to split easily into thin flakes or slabs.
Field identification & locations
Easily identified in the field by its sparkling, flaky appearance and distinct mineral banding. Commonly found in ancient mountain belts worldwide.
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