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About CacholongHide

SiO2 · nH2O
An opaque, highly porous opal.

Chemical Properties of CacholongHide

SiO2 · nH2O

Synonyms of CacholongHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Cacholong associated with ChalcedonySiO2
1 photo of Cacholong associated with QuartzSiO2

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 CacholongHide

Localities for CacholongHide

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.
Czech Republic
  • South Moravian Region
    • Blansko District
Dana RICHTEROVÁ, Antonín PŘICHYSTAL and Zdeněk LOSOS, "Moravian Jurassic Geodes and their Geological Significance," GeoLines 13, 2001, p. 106. (
  • Saxony
    • Erzgebirgskreis
      • Eibenstock
        • Sosa
          • Auersberg
Lapis 33 (10), 38-40.
  • Karaganda Region
    • Zhanaarka
Gems of Kazakhstan, - textbook, Almaty, 1999, v.1, pp. 71-73 (in Rus.)
  • Orenburg Oblast
    • Adamovsky District
  • 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
  • Navoiy
    • Central Kyzylkum Region
      • Bukantau Mts
Pechenkin, V.G., and Pechenkin, I.G. (2005): Lithology and Mineral Resources 40(5), 462-471.
  • Matabeleland North
    • Hwange District
      • Dinde
Wolfgang Hampel, site visit July 2014
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