JDMISGem Reference
Apatite · Apatite

Yellow Apatite

Yellow Apatite — Apatite

Yellow apatite supplies both bright faceted gems and the classic golden cat's-eye, identifiable by its 580 nm rare-earth doublet and uniaxial negative optic figure.

Colour
yellow
Transparency
Transparent to translucent
RI
1.634–1.638
SG
3.13–3.23
Mohs
5.0
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