Gemmology
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Achroite

Quite rare, colourless variety of tourmaline (usually, but not always, elbaite). The name comes from the Greek άχρους (achrous), colourless.

See:
Achroite — specimen 0370
Achroite — specimen 0370, photo © NMNHS

Material from ‘Repository’

2 specimens: 0370 — 1.14 ct, Nigeria; 0730 — 0.33 ct, Tanzania.


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