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Chromium-dravite — specimen 0559, photo © NMNHS
Chromium-dravite — specimen 0559, photo © NMNHS

Chromium-dravite — specimen 0559

Origin

East Africa
Tanzania
Chromium-dravite — specimen 0559, locality map
Data

Weight: 0.16 ct; size: 4.12 | 4.13 | 2.05 mm; shape: cushion triangle; colour: medium dark green; very slightly greyish; clarity: eye clean; cut: excellent; treatment: none.
Notes

Very clean specimen; design ‘99Simp’ by Jim Finlayson [pavilion angle changed to 41.00; skipping 43.00 crown], excellent cut by Tan Pen.

Other specimens
Chromium-dravite — specimen 0525

More information from ‘Classification’

Chromium-dravite

Some sources suggest the ‘chrome-tourmaline’ actually represents the mineral chromium-dravite.


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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.