Common Opal
A variety of Opal
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About Common Opal
Formula:
SiO2 · nH2O
A variety of Opal
A type of opal that doesn't show any fire.
A type of opal that doesn't show any fire.
Visit gemdat.org for gemological information about Common Opal.
Unique Identifiers
Mindat ID:
5981 (as Common Opal)
3004 (as Opal)
3004 (as Opal)
Long-form identifier:
mindat:1:1:5981:3 (as Common Opal)
mindat:1:1:3004:1 (as Opal)
mindat:1:1:3004:1 (as Opal)
GUID
(UUID V4):
(UUID V4):
164ddd84-ddf9-4298-8f9a-4f428e999704 (as Common Opal)
b3226449-9ed0-47fe-a88a-e53851c6d480 (as Opal)
b3226449-9ed0-47fe-a88a-e53851c6d480 (as Opal)
Pronunciation of Common Opal
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Chemistry of Common Opal
Mindat Formula:
SiO2 · nH2O
Elements listed:
Common Associates
Associated Minerals Based on Photo Data:
8 photos of Common Opal associated with Opal-AN | SiO2 · nH2O |
3 photos of Common Opal associated with Quartz | SiO2 |
3 photos of Common Opal associated with Chalcedony | SiO2 |
3 photos of Common Opal associated with Serpentine Subgroup | D3[Si2O5](OH)4 |
2 photos of Common Opal associated with Hyalite | SiO2 · nH2O |
2 photos of Common Opal associated with Hydromagnesite | Mg5(CO3)4(OH)2 · 4H2O |
2 photos of Common Opal associated with Siderite | FeCO3 |
2 photos of Common Opal associated with Opal | SiO2 · nH2O |
2 photos of Common Opal associated with Carnelian | |
2 photos of Common Opal associated with Fire 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 Common Opal
mindat.org URL:
https://www.mindat.org/min-5981.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Common Opal
Localities for Common Opal
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).
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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Gee et al. (1908) |
| Fetherston et al. (2012) |
| Jacobson. (2007) |
| Fetherston et al. (2013) |
| Fetherston et al. (2013) |
| Fetherston et al. (2013) |
Fetherston et al. (2013) | |
| Feldtmann (1919) |
Kim McDonald collection | |
Fetherston et al. (2013) | |
Fetherston et al. (2013) | |
| Fetherston et al. (2013) |
| mrdate.usgs.gov (n.d.) |
| Fetherston et al. (2012) |
| Grguric et al. (2006) |
Fetherston et al. (2013) | |
| Fetherston et al. (2013) |
| Fetherston et al. (2013) |
| Fetherston et al. (2013) |
| Simpson (1948) |
Canada | |
| Wojdak |
Italy | |
| Bonifazi (2020) |
Mexico | |
| Cook (2013) |
New Zealand | |
| Collection of RJ Martin |
| Collection of RJ Martin |
| Collection of RJ Martin |
Serbia | |
| Miladinovic et al. (2016) |
| Miladinovic et al. (2016) |
| Miladinovic et al. (2016) |
UK | |
| Alysson Rowan collection |
USA | |
| Matthew Stanley Collection |
| Jat Thompson Collection |
| Steve Ewens Collection |
| T Douglas Schonewald Collection |
Personally collected by T Douglas ... | |
| T Douglas Schonewald Collection |
| T Douglas Schonewald Collection |
Kittitas County, Washington, USA