Cat’s Eye Chrysoberyl — Exceptional Quality

$4,740.94
Chemical FormulaBeAl₂O₄
Crystal SystemOrthorhombic
Mohs Hardness8.5
Specific Gravity3.75
LusterVitreous
TransparencyTranslucent

The chatoyancy in cat’s eye chrysoberyl — a single bright line that moves with light, exactly replicating a feline iris — comes from parallel channels or inclusions of actinolite a…

Only 2 available — a rare find.

SKU: TC-GEM-0386
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Description

Science and beauty are rarely in conflict. Here they converge. The chatoyancy in cat’s eye chrysoberyl — a single bright line that moves with light, exactly replicating a feline iris — comes from parallel channels or inclusions of actinolite aligned during crystal growth. In the gem trade, ‘cat’s eye’ alone always means chrysoberyl; other cat’s eyes require a qualifying mineral name. Sri Lanka’s production is the world benchmark.

This specimen originates from Ratnapura, Sri Lanka, one of the world’s most significant localities for this type of material. Collectors and scientists have drawn from this region for generations, and for good reason: the combination of geological conditions here produces specimens of exceptional quality and clarity.

Every specimen is unique. Photographs approximate the visual experience, but the real thing — its weight, its luster under a raking light, the way it catches the corner of your eye — can only be experienced directly.

Formation

This specimen formed through geological processes operating over timescales that dwarf human history. The specific combination of chemistry, temperature, pressure, and time at this locality produced material of exceptional quality that makes it a valued addition to any serious collection.

Locality

Cat’s Eye Chrysoberyl — Exceptional Quality from Ratnapura, Sri Lanka. This locality is known for producing specimens of exceptional quality.

Collector Notes

Dust with a soft brush; avoid water for soft minerals (hardness below 4).