VOOZH about

URL: https://www.mindat.org/min-3649.html

⇱ Siderogel: Mineral information, data and localities.

👁 Image
Now Featuring: The Bruce Carter Collection at Heritage Auctions, Live May 16th
Log InRegister
AboutSupport UsPhotosDiscussionsSearchLearnMore

Siderogel

This page is currently not sponsored. Click here to sponsor this page.

About SiderogelHide

This section is currently hidden. Click the show button to view.
Formula:
~FeO(OH) · nH2O
Colour:
Blackish, brownish, red-brown
Name:
Alludes to origin from gel.
Amorphous iron(-oxide)-hydroxides, often former gels.
Often glassy, translucent.

Compare also manganogel and hisingerite.


Unique IdentifiersHide

This section is currently hidden. Click the show button to view.
Mindat ID:
3649
Long-form identifier:
mindat:1:1:3649:4

Physical Properties of SiderogelHide

This section is currently hidden. Click the show button to view.
Colour:
Blackish, brownish, red-brown

Chemistry of SiderogelHide

This section is currently hidden. Click the show button to view.
Mindat Formula:
~FeO(OH) · nH2O
Element Weights:
Element% weight
Fe52.257 %
O44.914 %
H2.830 %

Calculated from ideal end-member formula.

Common AssociatesHide

This section is currently hidden. Click the show button to view.
Associations Based on Photo Data:
4 photos of Siderogel associated with CalciteCaCO3
4 photos of Siderogel associated with MarcasiteFeS2
2 photos of Siderogel associated with MimetitePb5(AsO4)3Cl
1 photo of Siderogel associated with GypsumCaSO4 · 2H2O

Other InformationHide

This section is currently hidden. Click the show button to view.
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 SiderogelHide

This section is currently hidden. Click the show button to view.
mindat.org URL:
https://www.mindat.org/min-3649.html
Please feel free to link to this page.

References for SiderogelHide

This section is currently hidden. Click the show button to view.
Reference List:

Localities for SiderogelHide

This section is currently hidden. Click the show button to view.

Showing 27 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

This section is currently hidden. Click the show button to view.
👁 Image
- 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
      • Guttaring
        • Waitschach
peterneschen collection
  • Lower Austria
    • Neunkirchen District
      • Gloggnitz
Kolitsch et al. (2017)
  • Salzburg
    • Zell am See District
      • Neukirchen am Großvenediger
        • Knappenwand area
Seemann (1993)
  • Styria
    • Liezen District
      • Admont
        • Johnsbach
          • Severinggraben
Neschen (n.d.) +1 other reference
    • Weiz District
      • Fischbach
        • Falkenstein
Kolitsch (2010)
Czech Republic
  • Vysočina Region
    • Žďár nad Sázavou District
      • Bory
        • Dolní Bory
Staněk (1997)
Staněk (1997)
Germany
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Gengenbach
          • Gengenbach
Wittern (2001)
        • Oberwolfach
Walenta (1992)
        • Seelbach
          • Seelbach
            • Weiler
Wittern (2001)
      • Rottweil
        • Schenkenzell
          • Wittichen
            • Burgfelsen
            • Heubach Valley
Verein der Hegauer Mineralienfreunde (1983)
    • Karlsruhe Region
      • Calw
Walenta (1992)
  • Hesse
    • Darmstadt
      • Bergstraße
        • Lautertal (Odenwald)
          • Reichenbach
            • Hohenstein
Petitjean et al. (2000)
  • Rhineland-Palatinate
    • Rhein-Lahn-Kreis
      • Lahnstein
        • Friedrichssegen
58. +1 other reference
  • Saarland
    • Merzig-Wadern
      • Beckingen
        • Düppenweiler
Gerhard Müller: Bergbau-PSL-Mineralogie et al. (Saarbrücken 1996)
  • Saxony-Anhalt
    • Harz
      • Harzgerode
        • Straßberg
Thomas Lühr Collection
      • Oberharz am Brocken
        • Trautenstein
Thomas Lühr Collection
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
SEM-EDS and XRD by Joy Desor and ...
Greece
  • Attica
    • East Attica
      • Lavreotiki
Schusser et al. (2022)
Italy
  • Marche
    • Ancona Province
      • Fabriano
Alessio Piccioni Collection
Japan
  • Iwate Prefecture
    • Oshu City
- (n.d.)
  • Kagoshima Prefecture
    • Kagoshima District
      • Mishima village
Tazaki (2000)
  • Miyagi Prefecture
    • Kesennuma City
Slovakia
  • Košice Region
    • Spišská Nová Ves District
Ďuda et al. (1996)
Spain
  • Catalonia
    • Barcelona
      • Baix Llobregat
        • Gavà
          • Bruguers
Bareche (2005)
Quick NavTopAbout SiderogelUnique IdentifiersPhysical Properties Chemistry Common AssociatesOther InformationInternet Links References Localities Locality List
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
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.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 4, 2026 07:22:00 Page updated: March 21, 2026 15:00:19
Go to top of page