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Moonstone

A popular name for pearly and opalescent orthoclase.

Moonstone — specimen 0131
Moonstone — specimen 0131, photo © NMNHS

Material from ‘Repository’

12 specimens: 0131 — 1.00 ct, India; 0132 — 1.06 ct, India; 0162 — 0.85 ct, India; 0163 — 1.00 ct, India; 0106 — 4.04 ct, India; 0095 — 3.90 ct, India; 0099 — 3.06 ct, India; 0092 — 0.82 ct, Sri Lanka; 0093 — 0.76 ct, Sri Lanka; 0096 — 3.50 ct, India; 0366 — 1.37 ct, India; 0360 — 13.30 ct, no precise locality [Africa].


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