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Hydromolysite

A discredited species name
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Formula:
FeCl3 · 6H2O
This page provides mineralogical data about Hydromolysite.


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Unique IdentifiersHide

Mindat ID:
1982
Long-form identifier:
mindat:1:1:1982:4

IMA Classification of HydromolysiteHide

IMA status:
Discredited

Classification of HydromolysiteHide

Strunz-mindat (2025):
3.BC.10

3 : HALIDES
B : Simple halides, with H2O
C : M:X = 1:3
Dana 8th ed.:
9.3.2.1

9 : NORMAL HALIDES
3 : AX3
Hey's CIM Ref.:
8.11.2

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
11 : Halides of Fe and Ni

Chemistry of HydromolysiteHide

Mindat Formula:
FeCl3 · 6H2O
Element Weights:
Element% weight
Cl39.349 %
O35.515 %
Fe20.661 %
H4.475 %

Calculated from ideal end-member formula.
Elements listed:
Cl, Fe, H, O - search for minerals with similar chemistry

Other Language Names for HydromolysiteHide

Related Minerals - Strunz-mindat GroupingHide

3.BC.05ChloraluminiteAlCl3 · 6H2OTrig. 3m (3 2/m) : R3c

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 HydromolysiteHide

References for HydromolysiteHide

Localities for HydromolysiteHide

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 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.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
      • Ross Archipelago
        • Ross Island
Kammerer (2011)
Iran
 
  • Hormozgan Province
    • Khamir County
Talbot et al. (2009)
Poland
 
  • Silesian Voivodeship
    • Wodzisław County
      • Radlin
Kruszewski et al. (2020)
Russia
 
  • Chelyabinsk Oblast
Cesnokov et al. (1998)
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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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