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Iris Agate

A variety of 'Agate' [Quartz]
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About Iris AgateHide

Formula:
SiO2
An iridescent variety of agate — when sliced into a thin section, it exhibits all the colours of the spectrum when viewed in transmitted light.




Unique IdentifiersHide

Mindat ID:
7610 (as Iris Agate)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:7610:0 (as Iris Agate)
mindat:1:1:3337:0 (as Quartz)

Chemistry of Iris AgateHide

Mindat Formula:
SiO2
Element Weights:
Element% weight
O53.257 %
Si46.744 %

Calculated from ideal end-member formula.

Synonyms of Iris AgateHide

Other Language Names for Iris AgateHide

German:Regenbogenachat (in part)

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Iris Agate associated with 'Plume Agate'SiO2
1 photo of Iris Agate associated with 'δ-Quartz'SiO2
1 photo of Iris Agate associated with 'Quartz-beta'SiO2
1 photo of Iris Agate associated with -unidentified-

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 Iris AgateHide

References for Iris AgateHide

Localities for Iris AgateHide

Showing 15 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
    • Rous Co.
Found by FossicKingCollection - ...
Brazil
 
Amir Akhavan specimen
Indonesia
 
  • East Java Province
Hercule Shen collection
South America
 
stoneplus.cst.cmich.edu (n.d.)
USA
 
  • California
    • Alameda County
      • Berkeley
Jones (1952) +2 other references
    • Kern County
      • Mojave-Rosamond Mining District (Mojave Mining District)
        • Rosamond
          • Rosamond Hills
Chenard et al. (1962)
    • Riverside County
      • Little Chuckwalla Mountains
- (2005)
  • Idaho
    • Custer County
      • Bay Horse Mining District
  • New Mexico
    • Catron County
www.cst.cmich.edu (n.d.)
  • Oregon
    • Benton County
Dorothy M. Schlegal (1957)
"Dan Costian" Collection
Oregon Agate and Mineral Society (Map, 1971) +1 other reference
  • Tennessee
    • Bedford County
Zeitner (1968) +1 other reference
  • Texas
    • Brewster County
      • Alpine
www.austingemandmineral.org
www.omsinc.org (2008)
 
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