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Fire Opal

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About Fire OpalHide

SiO2 · nH2O
A variety of Opal

A red variety of Opal.

Visit gemdat.org for gemological information about Fire Opal.

Physical Properties of Fire OpalHide


Chemical Properties of Fire OpalHide

SiO2 · nH2O

Other Language Names for Fire OpalHide


Varieties of Fire OpalHide

Precious Fire OpalFire Opal displaying a play of colour.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Milk Opal5 photos of Fire Opal associated with Milk Opal on mindat.org.
Opal-AN3 photos of Fire Opal associated with Opal-AN on mindat.org.
Precious Opal2 photos of Fire Opal associated with Precious Opal on mindat.org.
Chalcedony2 photos of Fire Opal associated with Chalcedony on mindat.org.
Common Opal2 photos of Fire Opal associated with Common Opal on mindat.org.
Honey Opal1 photo of Fire Opal associated with Honey Opal on mindat.org.
Opal1 photo of Fire Opal associated with Opal on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Fire OpalHide

Localities for Fire OpalHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Chubut
    • Cushamen Department
Padrón de Minas de la Provincia de Chubut (2005).
  • New South Wales
    • Finch Co.
  • South Australia
    • North West Province
      • Mintabie district
  • Western Australia
    • Laverton Shire
      • White Cliffs Station
Simpson, E.S. (1948), Minerals of Western Australia, Vol 3, p321, 1948
  • Styria
    • Bad Gleichenberg
      • Gossendorf
Meixner, H. (1958)
      • Klause
Aufschluss 1972(SB), 52-55
  • Pará
    • São Geraldo do Araguaia
Revista Brasileira de Geociências, vol.30
  • Rio Grande do Sul
  • Rondônia
    • Porto Velho
  • British Columbia
    • Omenica Mining Division
      • Burns Lake
Rocks&Min 51:11
Rocks&Min 54:266
  • Borsod-Abaúj-Zemplén Co.
    • Zemplén Mts (Tokaj Mts)
      • Megyaszó
Szakáll: Topographia Mineralogica Hungariae III.
      • Telkibánya
  • Heves Co.
    • Mátra Mts
      • Gyöngyöstarján
GEODA/2000, Own found.2006
Sujatmiko, Dr H. C. Einfalt, Dr U. Henn (2007) Opal from Java, Indonesia and Its Varieties. http://www.hagi.or.id/paper/opal-from-java-indonesia-and-its-varieties/
  • Aktobe Province (Aqtöbe Oblysy; Aktubinskaya Oblast')
Oleg Lopatkin collection
  • Fianarantsoa Province
    • Atsimo-Atsinanana Region
      • Befotaka District
        • Marovitsika Sud Commune
          • Bemia
Simoni, M., Caucia, F., Adamao, I. & Galinetto, P. (2010): New occurrence of fire opal from Bemia, Madagascar. Gems & Gemmology. 46 (2), 114-121
  • Baja California (Baja California Norte; BC Norte)
    • Mun. de Tijuana
      • Tijuana
Rob Lavinsky
  • Hidalgo
    • Mun. de Zimapán
  • Jalisco
    • Mun. de Magdalena
  • Queretaro
    • Mun. de Tequisquiapan
      • La Trinidad
Rob Lavinsky
  • Banská Bystrica Region
    • Banská Bystrica Co.
Ďuďa R., 1996: Slovenské opály. Minerál,Brno, IV, 4, 254 - 258
Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
  • Prešov Region
    • Prešov Co.
      • Červenica
        • Dubník
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Koděra, M. et al (1986): Topografická mineralógia Slovenska. VEDA - vydavateľstvo SAV, 1986, part 1, page 257 - 274
  • Aegean Region
    • Izmir Province
KARACIK, ZEKİYE; GENÇ, S. CAN; ESENLİ, FAHRİ; GÖLLER, GÜLTEKIN. (2011) he Gümüldür Fire Opal: Mode of Occurrence and Mineralogical Aspects. Turkish Journal of Earth Sciences. Jan/Feb2011, Vol. 20 Issue 1, p99-114.
    • Kütahya Province
      • Pazarla
M. Hatipoglu, N. Türk, H.B. Buzlu (2009) Gemstone Mining History and its Importance for Environmental Economics of the ùaphane Mountain Fire Opal Deposit (Yeni Karamanca-ùaphane-Kütahya) 3rd Balkan Mining Congress, BALKANMINE pp41-45
Karacik, Z., Genc, S., Esenli, F., & GÖLLER, G. (2011). he Gümüldür Fire Opal: Mode of Occurrence and Mineralogical Aspects. Turkish Journal of Earth Sciences, 20(1).; ESENLİ, F., KUMBASAR, I., EREN, R.E. & UZ, B. 2001. Characteristics of opals from Simav, Turkey. Neues Jahrbuch Miner Monat 3, 97–113.
  • England
    • Cornwall
      • Camborne
        • South Roskear group (Pendarves Consols)
Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp.
      • St Day
Hogg, T. (1825): A Manual of Mineralogy. Polyblank Publishers (London), p. 191
      • St Just
        • Botallack
J.Ralph collection
        • Pendeen
          • Geevor Mine (North Levant Mine)
Carne, J. (1822): Transactions of the Royal Geological Society of Cornwall 2, 49-128
  • Arizona
    • Mohave Co.
      • Black Mts
        • Oatman District (San Francisco District; Union Pass District)
          • Union Pass District (Katherine District)
Galbraith, F.W. & Brennan (1959), Minerals of AZ: 87.
  • California
    • Kern Co.
      • El Paso Mts
        • El Paso Mountains District
          • Last Chance Canyon
            • Silica Gem claims
Christopher N. Wentzell;
Christopher Wentzell
MacFall (1951), Gem Hunter's Guide, 1st ed.
    • Siskiyou Co.
      • Dunsmuir
Kunz, George Frederick (1903), Precious stones: Mineral Resources U.S., 1902: 76 (?); Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282; MacFall (1951), Gem Hunter's Guide, 1st ed.
      • Klamath Mts
        • Shasta Retreat
          • Mount Bradley
Murdoch, Joseph (1946), Progress on revision of Bulletin 113 “Minerals of California,” with notes on some new mineral occurrences: California Division Mines Report 42: 197-198; […(abstract): Geological Society of America Bulletin: 57: 1256]: 101; USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10286923.
    • Sonoma Co.
      • Glen Ellen
        • Weise Ranch
Bradley, W.W. (1916a), Colusa, Glenn, Lake, Marin, Napa, Solano, Sonoma, Yolo County: California Mining Bureau. Report 14: 321; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
  • Colorado
    • Gunnison Co.
      • Vulcan District (Cebolla District; Domingo District)
        • Vulcan
Minerals of Colorado (1997) E.B. Eckel
    • Jefferson Co.
      • Golden District
        • Golden
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) E.B. Eckel
    • Mineral Co.
Minerals of Colorado (1997) E.B. Eckel
  • Idaho
    • Boise Co.
      • Idaho City
Dake, 1956. NW Gem Trails, 2nd ed.
    • Nez Perce Co.
Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p.
    • Owyhee Co.
USGS Bulletin 1720b
Dake, 1956. NW Gem Trails, 2nd ed.
  • Nevada
    • Humboldt Co.
      • Virgin Valley
        • Virgin Valley District
[var: Precious Fire Opal] USGS Bull 1538D
  • New Jersey
    • Hudson Co.
      • Jersey City
        • Bergen Hill
          • Mt Pleasant
Mins. of NYC & Its Environs, NY Min. Club., Vol. 3 (1931), edited by J.G. Manchester; Canfield (1889).
  • Oregon
    • Baker Co.
      • Durkee
Tschernich, Rudy, 1992, Zeolites of the World
    • Lake Co.
Dake, 1956. NW Gem Trails, 2nd ed.
Extra Lapis - English No. 10 Opal
    • Malheur Co.
Dake, H,C. (1956) Northwest Gem Trails: A field guide for the gem hunter, the mineral collector, and the tourist., 2nd ed., 80 pages.
    • Morrow Co.
Extra Lapis - English No. 10 Opal
Mineral and/or Locality  
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