Gemmology
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Almandine — specimen 0649, photo © NMNHS
Almandine — specimen 0649, photo © NMNHS

Almandinespecimen 0649

Origin

East Africa
Tanzania
Almandine — specimen 0649, locality map
Data

Weight: 0.98 ct; size: 6.91 | 4.43 | 3.46 mm; shape: octagon; colour: medium red; very slightly brownish; clarity: slightly included; cut: excellent; treatment: none.
Notes

Slightly included specimen; design ‘Octangulum’, excellent cut by Tan Pen.

Other specimens
Almandine — specimen 0632Almandine — specimen 0236Almandine — specimen 0430Almandine — specimen 0643

More information from ‘Classification’


The most common garnet; typically in mica schists and gneisses, from regionally metamorphosed argillaceous sediments; in granites and eclogites; in sedimentary rocks (Anthony et al., 2001—2005).