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Opal-Agate

A variety of Opal
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01229890017271925542812.jpg
Opal-Agate

West Face zeolite occurrence, Hart Mountain, Lake County, Oregon, USA
01229890017271925542812.jpg
Opal-Agate

West Face zeolite occurrence, Hart Mountain, Lake County, Oregon, USA
01229890017271925542812.jpg
Opal-Agate

West Face zeolite occurrence, Hart Mountain, Lake County, Oregon, USA
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About Opal-AgateHide

Formula:
SiO2 · nH2O
A variety of Opal showing agate-like coloured bands.


Unique IdentifiersHide

Mindat ID:
3005 (as Opal-Agate)
3004 (as Opal)
Long-form identifier:
mindat:1:1:3005:8 (as Opal-Agate)
mindat:1:1:3004:1 (as Opal)

Chemistry of Opal-AgateHide

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

Calculated from ideal end-member formula.
Elements listed:
H, O, Si - search for minerals with similar chemistry

Synonyms of Opal-AgateHide

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 Opal-AgateHide

References for Opal-AgateHide

Reference List:

Localities for Opal-AgateHide

Showing 6 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.
Canada
 
  • British Columbia
    • Omineca Mining Division
      • Burns Lake
Wojdak
Slovakia
 
  • Prešov Region
    • Prešov District
      • Červenica
        • Dubník
Koděra et al. (1986)
Thailand
 
  • Nakhon Ratchasima Province
    • Nakhon Ratchasima District
C. Lemanski (visited, collected & photographed)
USA
 
  • California
    • Imperial County
      • Chocolate Mountains
        • Paymaster Mining District
Perry
  • Texas
    • Brewster County
      • Alpine
www.austingemandmineral.org
    • Karnes County
 ... +1 other reference
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