metamorphic
Ruby in Zoisite
Corundum in Zoisite (Anyolite)
AI-generated identification · may be incorrectHardness 6.5 to 9 on Mohs scale. Colors include deep red, green, and black. Luster is vitreous to pearly.
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Physical properties
Hardness 6.5 to 9 on Mohs scale. Colors include deep red, green, and black. Luster is vitreous to pearly.
Formation & geological history
Formed through regional metamorphism in hydrothermal environments, often associated with tectonic collision zones.
Uses & applications
Used primarily for ornamental carvings, polished display pieces, and lapidary jewelry.
Geological facts
Also known commercially as Anyolite, this striking stone was first discovered in the Longido mining district of Tanzania in 1954.
Field identification & locations
Easily identified by the striking contrast of dark red corundum crystals embedded within a fibrous green zoisite matrix.
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