📜 Key facts
| Age | Man-made (modern) |
|---|---|
| Origin & sources | Factory-made. It is not a mineral and contains no natural opal. |
| Composition | Man-made glass (sometimes sold as 'sea opal' or 'opal moonstone') |
How it forms
Glass is made with additives that give a milky blue glow against dark backgrounds and an orange tint against light ones. Real opal and moonstone don't show this exact effect, and opalite often has small bubbles inside.
🔗 See also
- Opal: the real, natural mineraloid
- Synthetic Opal: lab-grown opal (Gilson): a real opal structure, made in a lab
✨ Opal family

Black OpalMineral variety

Blue OpalMineral variety

Boulder OpalMineral variety

Chocolate OpalMineral variety

Common OpalMineral variety
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Crystal OpalMineral variety
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Dendritic OpalMineral variety
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Ethiopian OpalMineral variety

Fire opalMineral variety
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Green OpalMineral variety

Honey OpalMineral variety

HyaliteMineraloid variety

Matrix OpalMineral variety

OpalIMA mineral species

Opal Doublet & TripletMineral variety

Opalized FossilFossil

Pink OpalMineral variety
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Precious opalGem material

Synthetic OpalMineral variety
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Virgin Valley OpalMineral variety

White OpalMineral variety

Wood OpalMineral variety
Learn more
Natural glass
Blue
CrownSacral
Healing crystal



