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Sapphirine — specimens [gallery view]
In high-temperature
metamorphic rocks
or
xenoliths
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.
0052
Sri Lanka
0581
Sri Lanka
Sapphirine — specimens — 2
Page 1
Gemmology — gemstones
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