Tourmaline. A composite, doubly-terminated crystal of schorlite, with a little limonite and crystal of apatite. From 'Minerals of Cornwall and Devon' (1987) by P.G. Embrey and R.F. Symes.
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Creative#:
TOP11716303
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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NO
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