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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Creative#:

TOP22092417

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

Property Release:

No

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No

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