Opal Matrix
A variety of 'Precious Opal' [Opal]
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About Opal Matrix
Formula:
SiO2 · nH2O
Name:
The origin of the word "opal" is uncertain. It may be from the Sanskrit "upala", meaning "stone" or "precious stone" or from opalus, the ancient Latin name for the gem (Pliny the Elder, 75-79). Pliny may have also referred to the gem as paederos, but a modern commentary by Kostov (2008) questions if that name was actually applied to the opal in the modern sense.
Unique Identifiers
Mindat ID:
9807 (as Opal Matrix)
3004 (as Opal)
3004 (as Opal)
Long-form identifier:
mindat:1:1:9807:2 (as Opal Matrix)
mindat:1:1:3004:1 (as Opal)
mindat:1:1:3004:1 (as Opal)
Chemistry of Opal Matrix
Mindat Formula:
SiO2 · nH2O
Elements listed:
Common Associates
Associations Based on Photo Data:
| 3 photos of Opal Matrix associated with 'Precious 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 Opal Matrix
mindat.org URL:
https://www.mindat.org/min-9807.html
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References for Opal Matrix
Localities for Opal Matrix
Showing 6 localities.
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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.
Australia | |
| |
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| Thiry et al. (1991) |
Honduras | |
Queensland, Australia