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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.


Classification of Milk Opal

Chemical Properties of Milk Opal

Formula:
SiO2 · nH2O
Elements listed in formula:

Other Names for Milk Opal

Name in Other Languages:
German:Milchopal

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.

References for Milk Opal

Reference List:
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 Opal

mindat.org URL:
https://www.mindat.org/min-9798.html
Please feel free to link to this page.

Localities for Milk Opal

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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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