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A rock; feldspar (oligoclase) with inclusions of hematite.
Sunstone — specimen 0623
, photo © NMNHS
Material from ‘Repository’
— 6.63 ct, no precise locality [Africa];
— 7.49 ct, no precise locality [Africa].
Gemmology — gemstones
National Museum of Natural History, Sofia
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None of the specimens illustrated in this site is on display in the permanent exhibition of the National Museum of Natural History, Sofia.