JDMISGem Reference
Feldspar (plagioclase series) · Oligoclase Feldspar

Oligoclase Moonstone

Oligoclase Moonstone — Oligoclase Feldspar

Oligoclase moonstone is a peristerite intergrowth whose creamy body carries a softer, more iridescent sheen than orthoclase moonstone. It is a small but legitimate member of the moonstone family, mostly from Canada.

Colour
orange
Transparency
Variable (semitransparent to translucent)
RI
1.537–1.547
SG
2.62–2.67
Mohs
6.0–6.5
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