gemstone
Moss Agate
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, featuring green dendritic inclusions resembling moss within translucent chalcedony.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, featuring green dendritic inclusions resembling moss within translucent chalcedony.
Formation & geological history
Forms from silica-rich groundwater filling cavities in volcanic and metamorphic rocks, occurring worldwide.
Uses & applications
Extensively used in jewelry making, ornamental carvings, and lapidary art.
Geological facts
Despite its name, moss agate contains no organic matter; the green inclusions are actually trace minerals like chromium or iron.
Field identification & locations
Identified by its distinctive moss-like patterns and waxy luster; commonly sourced from India, the USA, and Australia.
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