Quartz. The specimen at bottom is in its natural state the other specimens have been polished. Quartz is a form of silica (silicon dioxide). It is colourless and transparent when pure.
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Details
Creative#:
TOP06672794
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
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