Corundum specimen. Corundum (aluminum oxide, Al2O3) specimen. Corundum is defined to have hardness of 9 in the Mohs scale.
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Details
Creative#:
TOP22096019
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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