Hexagonal crystal of corundum, the second-hardest mineral on the Mohs hardness scale. Corundum is used as an abrasive and as gemstones (ruby & sapphire).
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Details
Creative#:
TOP22092417
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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