Corundum is an aluminium oxide mineral of very high hardness (Mohs 9), used as an abrasive in industrial processes. Corundum is a shared name for the semi-precious stones ruby and sapphire.

px px dpi = cm x cm = MB
Details

Creative#:

TOP29776255

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

Same folder images:

Same folder images