Corundum and aluminum oxide. Corundum specimen and powdered aluminum oxide (Al2O3) in a watch glass. Corundum mineral is a crystalline form of aluminum oxide, with typically some impurities. It is defined to have hardness of 9 in the Mohs scale.
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP22304342
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
Same folder images: