Variety · Corundum
Ruby
Draft entry · awaiting editorial review · reference properties not yet published
Common look-alikes
- Red spinel
- Garnet
- Red glass
- Composite ruby
Questions for a laboratory
- Natural, laboratory-grown or imitation?
- Has it been treated?
- Where was it formed?
Care while identity is uncertain
Until a stone is confirmed, store it separately in a soft pouch, avoid heat, ultrasonic cleaners and chemicals, and clean only with a soft, dry cloth.