Gem material Gemstone Healing crystal
Precious opal
Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure..
Variety of Opal.
Properties
| Chemical formula | — |
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| Elements | — |
| Crystal system | — |
| Mohs hardness | — |
| Density | — |
| Streak | — |
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“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
✨ 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

OpaliteNatural glass

Opalized FossilFossil

Pink OpalMineral variety

Synthetic OpalMineral variety
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Virgin Valley OpalMineral variety

White OpalMineral variety

Wood OpalMineral variety
Learn more
- Precious opal on Mindat.org
- Wikidata item Q110686457 (source of this page's data – you can correct it there)
Gem material
TealMulticolor & Iridescent
Crown
Gemstone

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