Gemmology
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Anorthite — specimens [gallery view]


A rare constituent of mafic plutonic and volcanic rocks; in some metamorphic rocks; in metamorphosed carbonate rocks; with corundum deposits (Anthony et al., 2001—2005).
Oregon sunstone — specimen 0723
0723
USA
Oregon sunstone — specimen 0447
0447
USA
Oregon sunstone — specimen 0008
0008
USA
Oregon sunstone — specimen 0038
0038
USA
Oregon sunstone — specimen 0446
0446
USA
Bytownite — specimen 0133
0133
Mexico
Bytownite — specimen 0284
0284
Mexico
Bytownite — specimen 0484
0484
Mexico
Labradorite — specimen 0677
0677
Madagascar
Rainbow moonstone — specimen 0416
0416
Sri Lanka

Anorthite — specimens — 12
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