Dichroic Iolite Chip
Collection
John Betts - Fine Minerals
Description
Irregular chip of gem-grade
Iolite
that has pronounced
plechroism
(it looks yellow when viewed flat, and color changes to purple when viewed on end).
Cut
20 x 14 x 5 mm.
Locality
Ciombatore District, Madras, India
Photograph
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