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⇱ Cacholong: Mineral information, data and localities.

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Cacholong

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About CacholongHide

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Formula:
SiO2 · nH2O
An opaque, highly porous opal.


Unique IdentifiersHide

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Mindat ID:
8001
Long-form identifier:
mindat:1:1:8001:5

Chemistry of CacholongHide

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

Calculated from ideal end-member formula.

Synonyms of CacholongHide

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Common AssociatesHide

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Associations Based on Photo Data:
3 photos of Cacholong associated with 'Chalcedony'SiO2
2 photos of Cacholong associated with CalciteCaCO3
2 photos of Cacholong associated with QuartzSiO2

Other InformationHide

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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 CacholongHide

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mindat.org URL:
https://www.mindat.org/min-8001.html
Please feel free to link to this page.

References for CacholongHide

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Reference List:

Localities for CacholongHide

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Showing 8 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
symbol to view information about a locality. The 👁 Image
symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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.
Austria
  • Carinthia
    • Sankt Veit an der Glan District
      • Hüttenberg
Seeland (1876)
Czech Republic
  • South Moravian Region
    • Blansko District
      • Rudice
Dana RICHTEROVÁ et al. (http://geolines.gli.cas.cz/fileadmin/volumes/volume13/G13-106.pdf)
Germany
  • Saxony
    • Erzgebirgskreis
      • Eibenstock
        • Sosa
          • Riesenberg
Lapis 33 (10)
Kazakhstan
  • Ulytau Region
    • Zhanaarka District
Gems of Kazakhstan et al. (in Rus.)
Russia
  • Orenburg Oblast
    • Kvarkensky District
webmineral.ru (n.d.)
Slovakia
  • Prešov Region
    • Prešov District
      • Červenica
        • Dubník
Koděra (1986)
Uzbekistan
  • Navoiy
    • Central Kyzylkum Region
      • Bukantau Mountains
Pechenkin et al. (2005)
Zimbabwe
  • Matabeleland North
    • Hwange District
      • Dinde
Wolfgang Hampel
Quick NavTopAbout CacholongUnique IdentifiersChemistry SynonymsCommon AssociatesOther InformationInternet Links References Localities Locality List
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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