Natural Ruby Zoisite (Anyolite) from Tanzania – Rare Collector’s Mineral

This ruby zoisite specimen, also known as anyolite, pairs two strikingly different minerals into a single natural formation. Because deep red ruby crystals grow embedded directly within a green zoisite matrix, the contrast between the two creates one of the most visually distinctive combination stones found in nature.

Whether added to a growing mineral collection or displayed as a standalone conversation piece, this specimen showcases a genuinely rare natural pairing.

A Rare Mineral Pairing from Tanzania

Anyolite forms in metamorphic rock. This specimen originates from Tanzania, home to some of the most significant ruby zoisite deposits in the world. As a result, the specimen carries both the deep crimson coloring of corundum (ruby) and the rich green tones of zoisite, often accented by dark streaks of black hornblende or fuchsite.

Specimen Details

• Specimen: Ruby (corundum) embedded in zoisite matrix, also known as anyolite
• Origin: Tanzania
• Color: Deep red/maroon ruby with green zoisite and dark accent minerals
• Surface: Natural rough texture with polished facets in select areas
• Classification: Collector-grade mineral specimen
• Formation: Metamorphic rock combination
• Measurements: 4.5″ x 2″ x 4″; Weight: 1.72 lb

A Standout Piece for Mineral Collectors

Because ruby zoisite combines two minerals collectors typically encounter separately, this specimen holds particular appeal for those building a collection around unusual or combination stones. Additionally, the bold color contrast makes it a striking display piece on its own, without needing further cutting or polishing.