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Sillimanite — specimen 0113, photo © NMNHS
Sillimanite — specimen 0113, photo © NMNHS

Sillimanite — specimen 0113

Origin

South Asia
India
Sillimanite — specimen 0113, locality map
Data

Weight: 3.74 ct; size: 10.77 | 8.76 | 5.47 mm; shape: oval; colour: medium light yellow; strong; clarity: eye clean; cut: good; treatment: none.
Notes

Very clean specimen; good mixed style cut with large window. Source: David Weinberg, Multicolour Gems Ltd.

More information from ‘Classification’

Sillimanite

In metamorphic schists, gneisses; more rarely in pegmatites (Anthony et al., 2001—2005).


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