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Bone Opal

A variety of Opal
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About Bone OpalHide

Formula:
SiO2 · nH2O
Opal replacing fossil bone.


Unique IdentifiersHide

Mindat ID:
7999 (as Bone Opal)
3004 (as Opal)
Long-form identifier:
mindat:1:1:7999:6 (as Bone Opal)
mindat:1:1:3004:1 (as Opal)

Chemistry of Bone OpalHide

Mindat Formula:
SiO2 · nH2O
Element Weights:
Element% weight
O61.458 %
Si35.961 %
H2.581 %

Calculated from ideal end-member formula.

Synonyms of Bone OpalHide

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Bone Opal associated with 'Precious Opal'SiO2 · nH2O
1 photo of Bone Opal associated with OpalSiO2 · nH2O

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 Bone OpalHide

References for Bone OpalHide

Localities for Bone OpalHide

Showing 12 localities.

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.
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Locality ListHide

- 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.
Australia
 
  • New South Wales
    • Finch Co.
      • Grawin Opal Fields
Cram (2004)
      • Lightning Ridge
Cram (2004)
Cram (2004)
Smith (1999)
Smith (1999)
Smith (1999)
Smith (1999)
Smith (1999)
Smith (1999)
Smith (1999)
Cram (2004)
USA
 
  • Nevada
    • Humboldt County
 
and/or  
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