Gemmology
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Pargasite — specimen 0669, photo © NMNHS
Pargasite — specimen 0669, photo © NMNHS

Pargasitespecimen 0669

Origin

East Africa
Tanzania
Pargasite — specimen 0669, locality map
Data

Weight: 0.60 ct; size: 6.16 | 4.33 | 3.12 mm; shape: octagon; colour: medium dark reddish orange; strong; clarity: eye clean; cut: excellent; treatment: none.
Notes

Very clean specimen; design ‘Octangulum’, excellent cut by Tan Pen.

Other specimens
Pargasite — specimen 0275Pargasite — specimen 0294

More information from ‘Classification’


In skarns metamorphosed from siliceous limestones; schists and amphibolites; also from andesitic volcanic and altered ultramafic rocks (Anthony et al., 2001—2005). Extremely rare as faceted specimens.