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Sapphirine — specimen 0581, photo © NMNHS
2.21 | 2.14 | 1.58 mm;
medium dark very strongly greenish blue; very slightly greyish;
Slightly included specimen; design ‘Eight’ by Glenn & Martha Vargas, excellent cut by Tan Pen.
More information from ‘Classification’
with abundant aluminium and magnesium and low silicon; may occur as a primary magmatic mineral in subsilicic rocks (
Anthony et al., 2001—2005
). Very rare as faceted specimens.
Gemmology — gemstones
National Museum of Natural History, Sofia
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.