Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Ferrohexahydrite

Big Photo

Sulphide deposit, Sohland, Oberlausitz, Saxony, Germany
© Thomas Witzke

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
mindat.org URL:http://www.mindat.org/min-1517.html
Please feel free to link to this page.

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

    Search Engines:
  • Look for Ferrohexahydrite on Google
  • Look for Ferrohexahydrite images on Google
    • External Links:
  • Look for Ferrohexahydrite on Webmineral
  • Look for Ferrohexahydrite on Athena Mineralogy
  • 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)
    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Buy fine minerals and gemstones from Pala International
  • Buy from David K Joyce minerals
  • Search for Ferrohexahydrite on minvision.com
  • Wilensky Fine Minerals
  • Search for - Ferrohexahydrite - on e-Rocks Mineral Sales & Auctions
  • Search for Ferrohexahydrite at Thames Valley Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy Fine Minerals from mineralsweb.com
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Rare and Unusual minerals at Mineralogical Research Company
  • Fabre Minerals - search for Ferrohexahydrite specimens
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Ferrohexahydrite

    Hide Locality List
    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.
    These maps work faster with Firefox!
    (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
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.