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Ferrohexahydrite

Formula:
FeSO
 
4
·6H
 
2
O
System:MonoclinicHardness:2
This page provides mineralogical data about Ferrohexahydrite.

Classification of Ferrohexahydrite

IMA status:Approved
Strunz 8th edition ID:6/C.05-20
Nickel-Strunz 10th (pending) edition ID:7.CB.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 8th edition ID:29.6.8.3

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.10.4

25 : Sulphates
10 : Sulphates of Fe alone
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Type Occurrence of Ferrohexahydrite

Type Locality:Sofiya Mine, Nikitovka Deposit, Novyy Donbass, Gorlovka, Donets'k Oblast' (Donetsk Oblast'), Ukraine
Year of Discovery:1962

Physical Properties of Ferrohexahydrite

Hardness (Mohs):2

Crystallography of Ferrohexahydrite

Crystal System:Monoclinic
Cell Parameters:a = 10.08Å, b = 7.28Å, c = 24.59Å
β = 98.37°
Ratio:a:b:c = 1.385 : 1 : 3.378
Unit Cell Volume:V 1,785.25 ų (Calculated from Unit Cell)

Optical Data of Ferrohexahydrite

Type:Biaxial
RI values: nα = 1.468 nγ = 1.498
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:relatively weak

Chemical Properties of Ferrohexahydrite

Formula:
FeSO
 
4
·6H
 
2
O
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S

Relationship of Ferrohexahydrite to other Species

Related to:
  • Hexahydrite Group
  • Related Minerals - Nickel-Strunz Grouping):

    - +
    7.CB.05Dwornikite
    (Ni,Fe)SO
     
    4
    ·H
     
    2
    O
    7.CB.05Gunningite
    (Zn,Mn)SO
     
    4
    ·H
     
    2
    O
    7.CB.05Kieserite
    MgSO
     
    4
    ·H
     
    2
    O
    7.CB.05Poitevinite
    (Cu,Fe,Zn)SO
     
    4
    ·H
     
    2
    O
    7.CB.05Szmikite
    MnSO
     
    4
    ·H
     
    2
    O
    7.CB.05Szomolnokite
    FeSO
     
    4
    ·H
     
    2
    O
    7.CB.05Cobaltkieserite
    CoSO
     
    4
    ·H
     
    2
    O
    7.CB.07Sanderite
    MgSO
     
    4
    ·2H
     
    2
    O
    7.CB.10Bonattite
    CuSO
     
    4
    ·3H
     
    2
    O
    7.CB.15Aplowite
    (Co,Mn,Ni)SO
     
    4
    ·4H
     
    2
    O
    7.CB.15Boyleite
    (Zn,Mg)SO
     
    4
    ·4H
     
    2
    O
    7.CB.15Ilesite
    (Mn,Zn,Fe)SO
     
    4
    ·4H
     
    2
    O
    7.CB.15Rozenite
    FeSO
     
    4
    ·4H
     
    2
    O
    7.CB.15Starkeyite
    MgSO
     
    4
    ·4H
     
    2
    O
    7.CB.15IMA2002-034
    CdSO
     
    4
    ·4H
     
    2
    O
    7.CB.20Chalcanthite
    CuSO
     
    4
    ·5H
     
    2
    O
    7.CB.20Jôkokuite
    MnSO
     
    4
    ·5H
     
    2
    O
    7.CB.20Pentahydrite
    MgSO
     
    4
    ·5H
     
    2
    O
    7.CB.20Siderotil
    FeSO
     
    4
    ·5H
     
    2
    O
    7.CB.25Bianchite
    (Zn,Fe)SO
     
    4
    ·6H
     
    2
    O
    7.CB.25Chvaleticeite
    (Mn,Mg)SO
     
    4
    ·6H
     
    2
    O
    7.CB.25Hexahydrite
    MgSO
     
    4
    ·6H
     
    2
    O
    7.CB.25Moorhouseite
    (Co,Ni,Mn)SO
     
    4
    ·6H
     
    2
    O
    7.CB.25Nickelhexahydrite
    (Ni,Mg,Fe)SO
     
    4
    ·6H
     
    2
    O
    7.CB.30Retgersite
    NiSO
     
    4
    ·6H
     
    2
    O
    7.CB.35Bieberite
    CoSO
     
    4
    ·7H
     
    2
    O
    7.CB.35Boothite
    CuSO
     
    4
    ·7H
     
    2
    O
    7.CB.35Mallardite
    MnSO
     
    4
    ·7H
     
    2
    O
    7.CB.35Melanterite
    FeSO
     
    4
    ·7H
     
    2
    O
    7.CB.35Zincmelanterite
    (Zn,Cu,Fe)SO
     
    4
    ·7H
     
    2
    O
    7.CB.35Alpersite
    (Mg,Cu)[SO
     
    4
    ] · 7H
     
    2
    O
    7.CB.40Epsomite
    MgSO
     
    4
    ·7H
     
    2
    O
    7.CB.40Goslarite
    ZnSO
     
    4
    ·7H
     
    2
    O
    7.CB.40Morenosite
    NiSO
     
    4
    ·7H
     
    2
    O
    7.CB.45Alunogen
    Al
     
    2
    (SO
     
    4
    )
     
    3
    ·17H
     
    2
    O
    7.CB.45Meta-alunogen
    Al
     
    2
    (SO
     
    4
    )
     
    3
    ·12H
     
    2
    O
    7.CB.55Coquimbite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·9H
     
    2
    O
    7.CB.55Paracoquimbite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·9H
     
    2
    O
    7.CB.55Rhomboclase
    HFe(SO
     
    4
    )
     
    2
    ·4H
     
    2
    O
    7.CB.60Kornelite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·7H
     
    2
    O
    7.CB.65Quenstedtite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·10H
     
    2
    O
    7.CB.70Lausenite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·6H
     
    2
    O
    7.CB.75Lishizhenite
    ZnFe
     
    2
    (SO
     
    4
    )
     
    4
    ·14H
     
    2
    O
    7.CB.75Römerite
    Fe
    2+
     
    Fe
    3+
    2
    (SO
     
    4
    )
     
    4
    ·14H
     
    2
    O
    7.CB.80Ransomite
    CuFe
     
    2
    (SO
     
    4
    )
     
    4
    ·6H
     
    2
    O
    7.CB.85Apjohnite
    Mn
    2+
     
    Al
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Bílinite
    Fe
    2+
     
    Fe
    3+
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Dietrichite
    (Zn,Fe
    2+
     
    ,Mn
    2+
     
    )Al
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Halotrichite
    FeAl
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Pickeringite
    MgAl
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Redingtonite
    (Fe
    2+
     
    ,Mg,Ni)(Cr,Al)
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.85Wupatkiite
    (Co,Mg,Ni)Al
     
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    7.CB.90Meridianiite
    MgSO
     
    4
    ·11H
     
    2
    O
    Related Minerals - Hey's Index Grouping:

    - +
    25.10.1Szomolnokite
    FeSO
     
    4
    ·H
     
    2
    O
    25.10.2Rozenite
    FeSO
     
    4
    ·4H
     
    2
    O
    25.10.3Siderotil
    FeSO
     
    4
    ·5H
     
    2
    O
    25.10.5Melanterite
    FeSO
     
    4
    ·7H
     
    2
    O
    25.10.6Rhomboclase
    HFe(SO
     
    4
    )
     
    2
    ·4H
     
    2
    O
    25.10.7Lausenite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·6H
     
    2
    O
    25.10.8Kornelite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·7H
     
    2
    O
    25.10.9Coquimbite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·9H
     
    2
    O
    25.10.10Paracoquimbite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·9H
     
    2
    O
    25.10.11Quenstedtite
    Fe
     
    2
    (SO
     
    4
    )
     
    3
    ·10H
     
    2
    O
    25.10.12Ferricopiapite
    Fe
     
    5
    (SO
     
    4
    )
     
    6
    O(OH)·20H
     
    2
    O
    25.10.13Metahohmannite
    Fe
    3+
    2
    [O|(SO
     
    4
    )
     
    2
    ] · 4H
     
    2
    O
    25.10.14Hohmannite
    Fe
    3+
    2
    [O|(SO
     
    4
    )
     
    2
    ] · 8H
     
    2
    O
    25.10.15Butlerite
    Fe
    3+
     
    [OH|SO
     
    4
    ] · 2H
     
    2
    O
    25.10.16Parabutlerite
    Fe
    3+
     
    [OH|SO
     
    4
    ] · 2H
     
    2
    O
    25.10.17Amarantite
    Fe
    3+
    2
    [O|(SO
     
    4
    )
     
    2
    ] · 7H
     
    2
    O
    25.10.18Fibroferrite
    Fe
    3+
     
    [OH|SO
     
    4
    ] · 5H
     
    2
    O
    25.10.19Hydroniumjarosite
    (H
     
    3
    O)Fe
    3+
    3
    (SO
     
    4
    )
     
    2
    (OH)
     
    6
    25.10.20Römerite
    Fe
    2+
     
    Fe
    3+
    2
    (SO
     
    4
    )
     
    4
    ·14H
     
    2
    O
    25.10.21Bílinite
    Fe
    2+
     
    Fe
    3+
    2
    (SO
     
    4
    )
     
    4
    ·22H
     
    2
    O
    25.10.22Copiapite
    Fe
    2+
     
    Fe
    3+
    4
    [OH|(SO
     
    4
    )
     
    3
    ]
     
    2
    · 20H
     
    2
    O

    Other Names for Ferrohexahydrite

    Other Languages:
    German:Ferrohexahydrit
    Spanish:Ferrohexahydrita

    Other Information

    Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

    References for Ferrohexahydrite

    Reference List:American Mineralogist: 48: 433.

    Internet Links for Ferrohexahydrite

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  • Look for Ferrohexahydrite on Wikipedia
  • Look for Ferrohexahydrite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Ferrohexahydrite in the Natural History Museum (London) online catalogue
  • Ferrohexahydrite details from Handbook of Mineralogy (PDF)
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    Localities for Ferrohexahydrite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Salzburg
      • Saalfelden
        • Biberg Mt. (Bieberg Mt.)
    A. Strasser: Die Minerale Salzburgs (1989)
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    Lapis 2002(7/8), 63-65
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Goslar
          • Astfeld
    No reference listed
    • Saxony
      • Oberlausitz
        • Sohland
    T. Witzke & T. Giesler (1997): Neufunde aus Sachsen (VI): Churchit-(Y), Cyrilovit, Faustit, Kidwellit, Meurigit und Nickelhexahydrit aus der Lausitz.- Lapis 22, 9, 36-38
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
    Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
    Russia
     
    • Povolzhsky Region
    Slovakia
     
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • KwaZulu-Natal Province
      • Pinetown
        • Westville
    Minerals of South Africa
    Spain
     
    • Catalonia
      • Barcelona
        • Barcelonès
          • Barcelona
    Ukraine
     
    • Donets'k Oblast' (Donetsk Oblast')
      • Gorlovka
        • Novyy Donbass
          • Nikitovka Deposit
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • Arizona
      • Coconino Co.
        • San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts)
    Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 4; Hanson, et al (2000).; Hanson, S. L., A. U. Fastner, W. B. Simmons (2008) Mineralogy of the Fumerole deposits at Sunset Crater Volcano National Monument, Northern Arizona. Rocks & Mnerals 83:6 pp 534-544.
    • Massachusetts
      • Franklin Co.
        • Rowe
    Cerato, A.. 2003: Mineralogical Study of Davis Mine, Rowe, MA, Using X-Ray Diffraction Techniques
    • Virginia
      • Carroll Co.
        • Southern Section-Blue Ridge Province
          • Gossan Lead District
            • Fries
    Minerals of Virginia, 1990 by R. V. Dietrich
    Minerals of Virginia, 1990 by R. V. Dietrich
      • Louisa Co.
        • Gold-Pyrite Belt
          • Mineral
    Minerals of Virginia, 1990 by R. V. Dietrich
    Mineral and/or Locality
    Google
     
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