Gemmology
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Bytownite — specimens [gallery view]


A variety of anorthite; plagioclase feldspar with an albite:anorthite molar ratio ranging from 10:90 to 30:70.
Bytownite — specimen 0133
0133
Mexico
Bytownite — specimen 0284
0284
Mexico
Bytownite — specimen 0484
0484
Mexico

Bytownite — specimens — 3
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