Fire Opal
A variety of Opal
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About Fire Opal
Formula:
SiO2 · nH2O
Colour:
Red
A red, brown-red to brown-orange, transparent to translucent variety of opal.
Visit gemdat.org for gemological information about Fire Opal.
Visit gemdat.org for gemological information about Fire Opal.Unique Identifiers
Mindat ID:
6725 (as Fire Opal)
3004 (as Opal)
3004 (as Opal)
Long-form identifier:
mindat:1:1:6725:2 (as Fire Opal)
mindat:1:1:3004:1 (as Opal)
mindat:1:1:3004:1 (as Opal)
Pronunciation of Fire Opal
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Fire Opal
Colour:
Red
Chemistry of Fire Opal
Mindat Formula:
SiO2 · nH2O
Elements listed:
Other Language Names for Fire Opal
German:Feueropal
Varieties of Fire Opal
| Precious Fire Opal | Fire Opal displaying a play of colour. |
Common Associates
Associations Based on Photo Data:
| 8 photos of Fire Opal associated with 'Rhyolite' | |
| 5 photos of Fire Opal associated with 'Milk Opal' | SiO2 · nH2O |
| 3 photos of Fire Opal associated with 'Opal-AN' | SiO2 · nH2O |
| 2 photos of Fire Opal associated with 'Chalcedony' | SiO2 |
| 2 photos of Fire Opal associated with Opal | SiO2 · nH2O |
| 2 photos of Fire Opal associated with 'Precious Opal' | SiO2 · nH2O |
| 2 photos of Fire Opal associated with 'Common Opal' | SiO2 · nH2O |
| 1 photo of Fire Opal associated with 'Opal-CT' | SiO2 · nH2O |
| 1 photo of Fire Opal associated with 'Honey Opal' | SiO2 · nH2O |
Other Information
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 Opal
mindat.org URL:
https://www.mindat.org/min-6725.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Fire Opal
Reference List:
Localities for Fire Opal
Showing 71 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Padrón de Minas de la Provincia de Chubut (2005) |
Australia | |
| |
| |
| Simpson (1948) |
Austria | |
| Aufschluss 1972 (SB) |
| Meixner (1958) |
Brazil | |
| Revista Brasileira de Geociências |
| ... |
| Sauer (1982) | |
| |
Canada | |
| - (n.d.) |
Ecuador | |
Ethiopia | |
| [var: Precious Fire Opal] Locality description |
Honduras | |
Hungary | |
| |
| |
| Szakáll: Topographia Mineralogica ... | |
| GEODA/2000 |
Indonesia | |
| Sujatmiko et al. (2007) | |
Kazakhstan | |
| Oleg Lopatkin collection |
Madagascar | |
| Simoni et al. (2010) |
Mexico | |
| Lavinsky (n.d.) |
| Mason (1976) | |
| |
| |
| [var: Precious Fire Opal] |
| Lavinsky (n.d.) |
Slovakia | |
| Ďuďa R. |
| Pauliš | |
| Koděra (1986) |
| Koděra (1986) | |
Turkey | |
| KARACIK +3 other references |
| M. Hatipoglu et al. (2009) |
| ESENLİ +1 other reference | |
UK | |
| Phillips (1823) |
| Hogg (1825) |
| J Ralph collection |
| Carne (1822) |
USA | |
| Galbraith (1959) |
| [var: Precious Fire Opal] Christopher N. Wentzell |
| Christopher Wentzell | |
| MacFall (1951) | |
| Kunz (1903) +2 other references |
| [… (abstract) +2 other references |
| Bradley (1916a) +1 other reference |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) | |
| Eckel et al. (1997) | |
| Eckel et al. (1997) |
| - (1917) |
| - (1917) | |
| Dake (1956) |
| Beste (2005) |
| USGS Bulletin 1720b |
| Dake (1956) | |
| Locality description |
| [var: Precious Fire Opal] USGS Bull 1538D | |
| Canfield (1889) +1 other reference |
| Dorothy M. Schlegal (1957) |
| Tschernich (1992) |
| Dake (1956) |
| Extra Lapis - English No. 10 Opal | |
| Dake (1956) |
| Extra Lapis - English No. 10 Opal |
| Dorothy M. Schlegal (1957) |
Voznesenovka, Martuk District, Aktobe Region, Kazakhstan