corundum

Very hard aluminium oxide mineral whose gem varieties include ruby and sapphire.
All languages
- English
- corundum
- Norwegian
- korund
- Japanese
- コランダム — こらんだむ — korandamu
- Korean
- 강옥 — gangok
- Spanish
- corindón
- French
- corindon
- German
- Korund
Illustrations are AI-generated and translations are undergoing language review.
