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Kornerupine — specimen 0644, photo © NMNHS
Kornerupine — specimen 0644, photo © NMNHS

Kornerupine — specimen 0644

Origin

South Asia
Sri Lanka
Kornerupine — specimen 0644, locality map
Data

Weight: 0.44 ct; size: 5.33 | 4.64 | 3.14 mm; shape: hexagon; colour: dark yellowish green; clarity: eye clean; cut: excellent; treatment: none.
Notes

Very clean specimen; design ‘Hexamixtum S 41-32’, excellent cut by Tan Pen.

Other specimens
Kornerupine — specimen 0427Kornerupine — specimen 0104Kornerupine — specimen 0436Kornerupine — specimen 0453

More information from ‘Classification’

Kornerupine

In boron-rich igneous and sedimentary rocks; in metamorphosed anorthosite complexes (Anthony et al., 2001—2005).


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