Gemmology
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Mahogany obsidian — specimen 0760, photo © NMNHS
Mahogany obsidian — specimen 0760, photo © NMNHS

Mahogany obsidianspecimen 0760

Origin

South America
Argentina
Mahogany obsidian — specimen 0760, locality map
Data

Weight: 2.47 ct; size: 11.35 | 6.44 | 4.52 mm; shape: rectangle; colour: dark red; clarity: opaque; cut: excellent; treatment: none.
Notes

Clean specimen; design ‘Rectangulum Cab’, excellent cut by Tan Pen.

Other specimens
Mahogany obsidian — specimen 0735Mahogany obsidian — specimen 0761

More information from ‘Classification’


A brownish variety of obsidian.