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Feroxyhyte

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Formula:
Fe3+O(OH)
Colour:
yellow-brown, brown
Specific Gravity:
4.20 (Calculated)
Crystal System:
Hexagonal
Name:
from composition (ferrum for iron, oxygen, and hydroxyl)
Compare vernadite.

Determination is likely exclusively based on a comparison (PXRD pattern and other physical properties) with synthetic material.


Hide all sections | Show all sections

Classification of FeroxyhyteHide

Approved
Approval Year:
1975
4.FE.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
E : Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
6.1.4.4

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
1 : XO(OH)
7.20.7

7 : Oxides and Hydroxides
20 : Oxides of Fe

Physical Properties of FeroxyhyteHide

Transparency:
Opaque
Colour:
yellow-brown, brown
Streak:
yellow
Comment:
not reported
Density:
4.20 g/cm3 (Calculated)

Optical Data of FeroxyhyteHide

Type:
Uniaxial

Chemical Properties of FeroxyhyteHide

Formula:
Fe3+O(OH)

Crystallography of FeroxyhyteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 2.93 Å, c = 4.60 Å
Ratio:
a:c = 1 : 1.57
Unit Cell V:
34.20 ų (Calculated from Unit Cell)
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.54 (10)
2.23 (5)
1.69 (3)
1.47 (8)

Type Occurrence of FeroxyhyteHide

General Appearance of Type Material:
minute, acicular, possibly comprising rolled
thin plates; in aggregates with clayey particles
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia
Geological Setting of Type Material:
sea-floor Fe–Mn concretions; cement and coatings on clasts in poorly drained soils and sediments of a Eh-low (reduced) character; results from rapid oxidation of Fe2+-bearing compounds
Associated Minerals at Type Locality:

Synonyms of FeroxyhyteHide

Other Language Names for FeroxyhyteHide

Simplified Chinese:六方纤铁矿
Spanish:Feroxygita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Phosgenite1 photo of Feroxyhyte associated with Phosgenite on mindat.org.
Smithsonite1 photo of Feroxyhyte associated with Smithsonite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FE.05Amakinite(Fe2+,Mg)(OH)2Trig.
4.FE.05BruciteMg(OH)2Trig. 3m (3 2/m) : P3m1
4.FE.05PortlanditeCa(OH)2Trig. 3m (3 2/m)
4.FE.05PyrochroiteMn(OH)2Trig. 3m (3 2/m)
4.FE.05TheophrastiteNi(OH)2Trig. 3m (3 2/m) : P3m1
4.FE.10BayeriteAl(OH)3Mon. 2/m : P21/m
4.FE.10DoyleiteAl(OH)3Tric.
4.FE.10GibbsiteAl(OH)3Mon. 2/m
4.FE.10NordstranditeAl(OH)3Tric. 1 : P1
4.FE.15BöhmiteAlO(OH)Orth. mmm (2/m 2/m 2/m)
4.FE.15Lepidocrociteγ-Fe3+O(OH)Orth. mm2 : Cmc21
4.FE.20GrimaldiiteCrO(OH)Trig.
4.FE.20HeterogeniteCo3+O(OH)Hex.
4.FE.25FeitknechtiteMn3+O(OH)Trig. 3m (3 2/m) : P3m1
4.FE.25Lithiophorite(Al,Li)MnO2(OH)2Trig. 3m (3 2/m) : R3m
4.FE.30QuenselitePbMnO2(OH)Mon. 2/m : P2/b
4.FE.35FerrihydriteFe3+10O14(OH)2Trig.
4.FE.40Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2OHex.
4.FE.45QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2yTrig. 3m (3 2/m) : P3m1

Related Minerals - Dana Grouping (8th Ed.)Hide

6.1.4.2HeterogeniteCo3+O(OH)Hex.
6.1.4.3FeitknechtiteMn3+O(OH)Trig. 3m (3 2/m) : P3m1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.20.1WüstiteFeOIso. m3m (4/m 3 2/m) : Fm3m
7.20.2MagnetiteFe2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.3MaghemiteFe3+2O3Iso. 4 3 2 : P41 3 2
7.20.4HematiteFe2O3Trig. 3m (3 2/m) : R3c
7.20.5Goethiteα-Fe3+O(OH)Orth. mmm (2/m 2/m 2/m)
7.20.6Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2OMon. 2/m
7.20.8Lepidocrociteγ-Fe3+O(OH)Orth. mm2 : Cmc21
7.20.9FerrihydriteFe3+10O14(OH)2Trig.
7.20.10Amakinite(Fe2+,Mg)(OH)2Trig.
7.20.11MagnesioferriteMgFe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.12MuskoxiteMg7Fe4O13 · 10H2OTrig. 3m (3 2/m)
7.20.13SrebrodolskiteCa2Fe3+2O5Orth. mmm (2/m 2/m 2/m) : Pnma
7.20.14HercyniteFe2+Al2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.15BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2

Other InformationHide

Notes:
oxidizes in air to give goethite
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 FeroxyhyteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukhrov, F.V., Zvyagin, B.B., Gorshkov, A.I., Ermilova, L.P., Korovushkin, V.V., Rudnitskaya, E.S., Yakubovskaya, N.Y. (1976) Feroxyhyte, a new modification of FeO(OH). Izvest. Akad. Nauk SSR, Ser. geol., 5, 5-24 (in Russian).
Fleischer, M., Pabst, A., Mandarino, J.A., Chao, G.Y. (1977) New Mineral Names. American Mineralogist, 62, 1057-1061.
Anthony, J.W., Bideaux, R.A., Bladh, K.W. and Nichols, M.C., Eds. Handbook of Mineralogy, Mineralogical Society of America, Chantilly, VA 20151-1110, USA. http://www.handbookofmineralogy.org/ (2016)

Internet Links for FeroxyhyteHide

Localities for FeroxyhyteHide

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.
Arctic Ocean
 
Murdmaa, I.O., Bogdanova, O.Y., Gorshkov, A.I., Novikov, G.V. and Shevchenko, V.P. (2000): Lithology and Mineral Resources 35(6), 594-597.
Atlantic Ocean
 
Varentsov, I. M., Drits, V. A., & GORSCHKOV, A. (2009, April). Mineralogy, geochemistry and genesis of manganese-iron crusts on the Bezymiannaya Seamount 640, Cape Verde Plate, Atlantic. In Sediment-Hosted Mineral Deposits: Proceedings of a Symposium Held in Beijing, People's Republic of China, 30 July-4 August 1988 (pp. 89-107). Blackwell Publishing Ltd..
  • Mid-Atlantic Ridge complex
Bogdanov, Y.A., Vikent’ev, I.V., Lein, A.Y., Bogdanova, O.Y., Sagalevich, A.M., and Sivtsov, A.V. (2008): Geology of Ore Deposits 50(2), 119-134.
Bogdanov, Y.A., Vikent’ev, I.V., Lein, A.Y., Bogdanova, O.Y., Sagalevich, A.M., and Sivtsov, A.V. (2008): Geology of Ore Deposits 50(2), 119-134.
    • Snake Pit hydrothermal field
Bogdanov, Y.A., Vikent’ev, I.V., Lein, A.Y., Bogdanova, O.Y., Sagalevich, A.M., and Sivtsov, A.V. (2008): Geology of Ore Deposits 50(2), 119-134.
Bogdanov, Y.A., Vikent’ev, I.V., Lein, A.Y., Bogdanova, O.Y., Sagalevich, A.M., and Sivtsov, A.V. (2008): Geology of Ore Deposits 50(2), 119-134.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
WALENTA, K. (1997): Neue Mineralfunde von der Grube Clara 7. Folge. - Lapis 22 (11), 37-47; WALENTA, K. (2001): Wolframhaltiger Feroxyhit von der Grube Clara im mittleren Schwarzwald. Aufschluss 52, 51-56.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District slag localities
        • Passa Limani area
Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1985): Neue Schlackenmineralien von Lavrion. Lapis, 10 (5), 13-16; 50.
        • Sounion area
http://www.rogersminerals.com/viewInfo?id=27091
Laurion The minerals in the ancient slags by Piet Gelaude etc.
        • Thorikos area
Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
        • Vrissaki area
Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
Italy
 
  • Tuscany
    • Livorno Province
      • Piombino
Muenchener Micromounter - Lithothek
Japan
 
  • Honshu Island
    • Tohoku Region
      • Iwate Prefecture
        • Kuji City
          • Yamagata
Nambu & Yoshida (1997) Ganko-Gakkai Kou'en-Youshi, 161.
Pacific Ocean
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Clarion-Clipperton zone
    • Clipperton Island (Ile de Clipperton; Ile de la Passion)
      • USA-4
Wegorzewski A.V., Kuhn T. (2014): The influence of suboxic diagenesis on the formation of manganese nodules in the Clarion Clipperton nodule belt of the Pacific Ocean. Marine Geology, 357, 123-138.
  • East Pacific Rise
    • Juan de Fuca Ridge complex
Novikov, G.V., Vikent’ev, I.V., and Bogdanova, O.Y. (2006): Geology of Ore Deposits 48(4), 304-325.
Russia
 
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
UK
 
  • England
    • Cornwall
      • St Agnes District
        • Crantock
BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html)
    • Cumbria
      • City of Carlisle District
        • Tindale (Tindale Fell)
Norman Wilson collection
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
Chukhrov F.V., Gorshkov A.I., Berezovskaya V.V., Sivtsov A.V. (1987) New data on mineralogy of Kerch ores, - Izvestiya AN SSSR, ser. geol., 4, p. 60-77 (in Rus.)
  • Ivano-Frankivs'k Oblast' (Ivanovo-Frankovsk Oblast')
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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