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Milk Opal

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Formula:
SiO2 · nH2O
A variety of Opal

A white Opal.

Visit gemdat.org for gemological information about Milk Opal.


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Chemical Properties of Milk OpalHide

Formula:
SiO2 · nH2O

Synonyms of Milk OpalHide

Other Language Names for Milk OpalHide

German:Milchopal

Common AssociatesHide

Associated Minerals Based on Photo Data:
Fire Opal5 photos of Milk Opal associated with Fire Opal on mindat.org.
Precious Opal5 photos of Milk Opal associated with Precious Opal on mindat.org.
Opal-AN2 photos of Milk Opal associated with Opal-AN on mindat.org.
Wax Opal1 photo of Milk Opal associated with Wax Opal on mindat.org.
Chalcedony1 photo of Milk Opal associated with Chalcedony on mindat.org.
Wollastonite1 photo of Milk Opal associated with Wollastonite on mindat.org.

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.

References for Milk OpalHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jones, J.B. and E.R. Segnit (1971), The nature of opal. I Nomenclature and constituent phases. Journal of the Geological Society of Australia: 18: 57-68.
Anal. Chem. Acta (1994): 286: 107.
Lapis Extra No. 10, Opal (1996).

Internet Links for Milk OpalHide

Localities for Milk OpalHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Angola
 
  • Luanda Province
Martins da Pedra collection
Argentina
 
  • Córdoba
    • San Alberto Department
      • Mina Clavero
C. Lemanski, Jr. (re-entry of lost Mindat data).
Australia
 
  • South Australia
    • Central North
    • North West Province
      • Mintabie district
Austria
 
  • Lower Austria
    • Waldviertel
      • Mühldorf
Natural History Museum Vienna collection
      • St Leonhard am Hornerwald
        • Dürrenberg (Dürnberg)
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Styria
    • Bad Gleichenberg
      • Gossendorf
Meixner, H. (1958)
      • Klause
Aufschluss 1972(SB), 52-55
Bulgaria
 
  • Yambol Oblast
    • Tundzha Obshtina
Marcus Vau Collection
Colombia
 
Daniel S Yunis
Germany
 
  • Saxony
    • Erzgebirge
      • Eibenstock
        • Blauenthal
Tröger, S. (2009): Der Steinbruch Fahsel im Eibenstocker Granit, Westerzgebirge. Lapis 34 (6), 49-52.
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Zemplén Mts (Tokaj Mts)
      • Gönc
Koch: Minerals of Hungary, 1985
      • Megyaszó
      • Monok
Szakáll: Topographia Mineralogica Hungariae III.
      • Sárospatak
      • Tállya
      • Telkibánya
Szakáll-Weiszburg: Telkibánya
Romania
 
  • Hunedoara Co.
Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Hrochoť
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
      • Poniky
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Detva Co.
Koděra, M., Andrusovová-Vlčeková, G., Belešová, O., Briatková, D., Dávidová, Š., Fejdiová, V., Hurai, V., Chovan, M., Nelišerová, E., Ženiš, P. (1986-1990): Topografická mineralógia Slovenska. I-III. Veda, Bratislava, 1592 p.
    • Krupina Co.
      • Hontianske Nemce
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Žiar nad Hronom Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Košice Region
    • Košice Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Prešov Region
    • Prešov Co.
      • Červenica
        • Dubník
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
USA
 
  • California
    • Kern Co.
      • Mojave-Rosamond District (Mojave District)
        • Rosamond
Lewis, W. Scott (1933), Occurrences of opal in California: Rocks & Minerals: 8: 36-37; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
  • Nevada
    • Humboldt Co.
      • Virgin Valley
NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Mineral and/or Locality  
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