Fire Opal

SiO₂·nH₂O

Also known as

Feueropal

Variety of

OpalSiO₂ · nH₂O

Where it forms, where it's found

46recorded occurrences

Source · OpenStreetMap

Varieties

Precious Fire Opal
Variety
—

Physical

Colour: Red

Synonyms

Feueropal

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Fire Opal — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/fire-opal-6725},
  note      = {Accessed 2026-05-11}
}