pineapple opal
English
Noun
pineapple opal (plural pineapple opals)
- (gemology, mining) A large raw opal spheroidal gemstone with pineapple-like projection points
- Hypernyms: opal pseudomorph, opal
- (jewelry) Alternative form of opal pineapple
Related terms
- black opal
- boulder opal
- fire opal
- opal pineapple
- pipe opal
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