Rock Identifier
Ruby in Zoisite (Anyolite (Al2O3:Cr + Ca2Al3(SiO4)3(OH))) — metamorphic
metamorphic

Ruby in Zoisite

Anyolite (Al2O3:Cr + Ca2Al3(SiO4)3(OH))

AI-generated identification · may be incorrect

Hardness of 6.5 to 9 on the Mohs scale, vibrant green zoisite matrix with contrasting pink to red ruby crystals, vitreous to greasy luster, orthorhombic and trigonal crystal systems.

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Physical properties

Hardness of 6.5 to 9 on the Mohs scale, vibrant green zoisite matrix with contrasting pink to red ruby crystals, vitreous to greasy luster, orthorhombic and trigonal crystal systems.

Formation & geological history

Formed through intense metamorphic processes in high-grade regional environments, typically where aluminum-rich rocks interact with hydrothermal fluids under high pressure and temperature.

Uses & applications

Widely utilized for ornamental carvings, decorative crystal towers, and unique gemstone jewelry.

Geological facts

First discovered in 1954 in the Longido mining district of Tanzania, anyolite combines two distinct minerals into a single striking matrix.

Field identification & locations

Easily identified by its distinct green and red coloration and high hardness; primarily sourced from Tanzania.