metamorphic
Ruby in Zoisite
Anyolite (Corundum in Zoisite)
AI-generated identification · may be incorrectHardness of 6.5 to 9 on the Mohs scale, vivid pink/red corundum crystals embedded in green zoisite and black tschermakite matrix, vitreous to greasy luster.
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Physical properties
Hardness of 6.5 to 9 on the Mohs scale, vivid pink/red corundum crystals embedded in green zoisite and black tschermakite matrix, vitreous to greasy luster.
Formation & geological history
Formed through intense metamorphic processes in high-temperature environments, specifically where aluminum-rich rocks interact with calcium-rich fluids.
Uses & applications
Widely used for ornamental carvings, decorative objects, polished cabochons, and gemstone collecting.
Geological facts
First discovered in the Longido mining district of Tanzania in 1954, anyolite is often referred to as Tanganyika art stone.
Field identification & locations
Easily identified by the striking visual contrast between vibrant pink ruby and opaque green zoisite; primarily sourced from East Africa.
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