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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:
Elbaite
Achroite — specimen 0370
, photo © NMNHS
Material from ‘Repository’
2 specimens:
0370
— 1.14 ct, Nigeria;
0730
— 0.33 ct, Tanzania.
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Gemmology — gemstones
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