Gemmology
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Colour change garnet — specimen 0272, photo © NMNHS
Colour change garnet — specimen 0272, photo © NMNHS

Colour change garnetspecimen 0272

Origin

East Africa
Madagascar, Toliara, Androy, Bekily
Colour change garnet — specimen 0272, locality map
Data

Weight: 0.51 ct; size: 4.98 | 4.20 | 2.98 mm; shape: oval; colour: medium dark very strongly bluish green; very slightly greyish; clarity: eye clean; cut: very good; treatment: none.
Notes

Very clean specimen; very good mixed style cut. The colour change is mainly caused by relatively high amounts of vanadium (Schmetzer & Bernhardt, 1999). Source: David Weinberg, Multicolour Gems Ltd.

Other specimens
Colour change garnet — specimen 0120

More information from ‘Classification’


A variety of garnet from the pyrope-spessartine series with mixed composition. Exhibits colour change in daylight and in artificial light.