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Ferrohexahydrite

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About FerrohexahydriteHide

Formula:
FeSO4 · 6H2O
Colour:
Bluish green, colourless, white, light brownish
Hardness:
2
Specific Gravity:
1.934 (Calculated)
Crystal System:
Monoclinic
Name:
The iron analogue of hexahydrite
This page provides mineralogical data about Ferrohexahydrite.


Classification of FerrohexahydriteHide

Approved, 'Grandfathered' (first described prior to 1959)
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
29.6.8.3

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.10.4

25 : Sulphates
10 : Sulphates of Fe alone

Pronounciation of FerrohexahydriteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of FerrohexahydriteHide

Transparency:
Transparent
Colour:
Bluish green, colourless, white, light brownish
Hardness:
Density:
1.934 g/cm3 (Calculated)

Optical Data of FerrohexahydriteHide

Type:
Biaxial (-)
RI values:
nα = 1.468 nγ = 1.498
Max Birefringence:
δ = 0.030
Image 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 FerrohexahydriteHide

Formula:
FeSO4 · 6H2O
IMA Formula:
Fe2+(SO4) · 6H2O

Crystallography of FerrohexahydriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 10.08 Å, b = 7.28 Å, c = 24.59 Å
β = 98.37°
Ratio:
a:b:c = 1.385 : 1 : 3.378
Unit Cell V:
1,785.25 ų (Calculated from Unit Cell)
Z:
8

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.89 (6)
4.43 (10)
2.97 (7)
2.93 (7)
2.03 (6)
1.881 (6)
1.862 (6)

Type Occurrence of FerrohexahydriteHide

Other Language Names for FerrohexahydriteHide

Relationship of Ferrohexahydrite to other SpeciesHide

Other Members of this group:
Bianchite(Zn,Fe)SO4 · 6H2OMon. 2/m : P2/m
Chvaleticeite(Mn,Mg)SO4 · 6H2OMon. 2/m : B2/b
HexahydriteMgSO4 · 6H2OMon. 2/m : P2/m
Moorhouseite(Co,Ni,Mn)SO4 · 6H2OMon.
Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2OMon.

Related Minerals - Nickel-Strunz GroupingHide

7.CB.05Dwornikite(Ni,Fe)SO4 · H2OMon. 2/m : B2/b
7.CB.05GunningiteZnSO4 · H2OMon. 2/m : B2/b
7.CB.05KieseriteMgSO4 · H2OMon. 2/m
7.CB.05Poitevinite(Cu,Fe)SO4 · H2OTric.
7.CB.05SzmikiteMnSO4 · H2OMon.
7.CB.05SzomolnokiteFeSO4 · H2OMon. 2/m : B2/b
7.CB.05CobaltkieseriteCoSO4 · H2OMon. 2/m : B2/b
7.CB.07SanderiteMgSO4 · 2H2OOrth. 2 2 2 : P21 21 21
7.CB.10BonattiteCuSO4 · 3H2OMon.
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2OMon. 2/m
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2OMon. 2/m : P21/b
7.CB.15Ilesite(Mn,Zn,Fe)SO4 · 4H2OMon. 2/m
7.CB.15RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
7.CB.15StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/b
7.CB.15DrobeciteCdSO4 · 4H2OMon. 2/m : P21/m
7.CB.15CranswickiteMgSO4 · 4H2OMon. m : Bb
7.CB.20ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
7.CB.20JôkokuiteMnSO4 · 5H2OTric.
7.CB.20PentahydriteMgSO4 · 5H2OTric.
7.CB.20SiderotilFeSO4 · 5H2OTric.
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2OMon. 2/m : P2/m
7.CB.25Chvaleticeite(Mn,Mg)SO4 · 6H2OMon. 2/m : B2/b
7.CB.25HexahydriteMgSO4 · 6H2OMon. 2/m : P2/m
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2OMon.
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2OMon.
7.CB.30RetgersiteNiSO4 · 6H2OTet. 4 2 2 : P41 21 2
7.CB.35BieberiteCoSO4 · 7H2OMon. 2/m : P2/m
7.CB.35BoothiteCuSO4 · 7H2OMon.
7.CB.35MallarditeMnSO4 · 7H2OMon. 2/m : P2/m
7.CB.35MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m : P21/b
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon.
7.CB.35Alpersite(Mg,Cu)[SO4] · 7H2OMon. 2/m : P21/b
7.CB.40EpsomiteMgSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.40GoslariteZnSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.40MorenositeNiSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.45AlunogenAl2(SO4)3 · 17H2OTric. 1
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteFeAl(SO4)3 · 9H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5Trig. 3m (3 2/m) : P3 1c
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2OTrig. 3 : R3
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.CB.60KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
7.CB.65QuenstedtiteFe2(SO4)3 · 11H2OTric. 1 : P1
7.CB.70LauseniteFe2(SO4)3·5H2OMon. 2/m : P21/m
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2OTric. 1 : P1
7.CB.75RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric. 1 : P1
7.CB.80RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m : P21/b
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2OMon.
7.CB.85BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2OMon. 2 : P2
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2OMon.
7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4·22H2OMon.
7.CB.90MeridianiiteMgSO4 · 11H2OTric. 1 : P1

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

29.6.8.1HexahydriteMgSO4 · 6H2OMon. 2/m : P2/m
29.6.8.2Bianchite(Zn,Fe)SO4 · 6H2OMon. 2/m : P2/m
29.6.8.4Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2OMon.
29.6.8.5Moorhouseite(Co,Ni,Mn)SO4 · 6H2OMon.
29.6.8.6Chvaleticeite(Mn,Mg)SO4 · 6H2OMon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.10.1SzomolnokiteFeSO4 · H2OMon. 2/m : B2/b
25.10.2RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
25.10.3SiderotilFeSO4 · 5H2OTric.
25.10.5MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m : P21/b
25.10.6Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
25.10.7LauseniteFe2(SO4)3·5H2OMon. 2/m : P21/m
25.10.8KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
25.10.9CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5Trig. 3m (3 2/m) : P3 1c
25.10.10ParacoquimbiteFe2(SO4)3 · 9H2OTrig. 3 : R3
25.10.11QuenstedtiteFe2(SO4)3 · 11H2OTric. 1 : P1
25.10.12FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
25.10.13MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
25.10.14HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
25.10.15ButleriteFe3+(SO4)(OH) · 2H2OMon. 2/m : P21/m
25.10.16ParabutleriteFe3+(SO4)(OH) · 2H2OOrth. mmm (2/m 2/m 2/m)
25.10.17AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
25.10.18FibroferriteFe3+(SO4)(OH) · 5H2OMon.
25.10.19Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
25.10.20RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric. 1 : P1
25.10.21BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m : P21/b
25.10.22CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1

Other InformationHide

Notes:
Hygroscopic; soluble in H2O
Special Storage/
Display Requirements:
Hygroscopic
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 FerrohexahydriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Karnitskii, V.A. and Nekrasova, O.I. (1930): Secondary minerals of the Nikotovka mercury deposit. Mineral Resources, 1, 135–138 (in Russian).
Vlasov, V.V. and Kuznetsov, A.V. (1962): Melanterite and the products of its alteration. Zap. Vses. Mineral. Obshch., 91, 490–492 (in Russian). [abs. in American Mineralogist: 48: 433]

Internet Links for FerrohexahydriteHide

Localities for FerrohexahydriteHide

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.
Austria
 
  • Salzburg
    • Saalfelden
      • Biberg (Bieberg)
A. Strasser: Die Minerale Salzburgs (1989)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
Lapis 2002(7/8), 63-65
  • Moravian-Silesian Region
    • Karviná District
      • Orlová
Matýsek D., Jirásek J., Osovský M., Skupien P.. Minerals formed by the weathering of sulfides in mines of the Czech part of the Upper Silesian Basin. Mineralogical Magazine, 2014, 78, 5, 1265-1286.
Germany
 
  • Lower Saxony
    • Harz
      • Goslar
        • Astfeld
No reference listed
Schnorrer-Köhler, G. (1988): Mineralogische Notizen IV. Der Aufschluss, 39, 153-168.
  • Saxony
    • Bautzen
      • Sohland an der Spree
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
      • Somma-Vesuvius Complex
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
Japan
 
  • Hokkaidō
    • Oshima peninsula
      • Hiyama Subprefecture
        • Kaminokuni
Nambu et al (1979) Ganseki-Koubutsu-Koshogaku Zasshi (JAMP), 74, 406-412.
Poland
 
  • Lesser Poland Voivodeship
    • Olkusz Co.
      • Gmina Olkusz
Cabała, J., & Bzowska, G. (2008). Sulphate speleothems in Pomorzany Zn–Pb ore mine, southern Poland. Kras i speleologia, 12(21), 59-76.
Russia
 
  • Kamchatka Krai
Bortnikova, S. B., Bessonova, E. P., Gavrilenko, G. M., Vernikovskaya, I. V., Bortnikova, S. P., & Palchik, N. A. (2008). HYDROGEOCHEMISTRY OF THERMAL SOURCES, MUTNOVSKY VOLCANO, SOUTH KAMCHATKA (RUSSIA). In Proceedings of the 33rd workshop on geothermal reservoir engineering, Stanford University, Stanford, SGP-TR-185.
Handbook of Mineralogy; Zanin, Y. N., Pisareva, G. M., Zamirailova, A. G., & Eder, V. G. (2009). Melanterite and szomolnokite as weathering products of pyrite from the Bazhenovo Formation. Lithology and Mineral Resources, 44(3), 267-269.
Slovakia
 
  • Košice Region
    • Košice Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
South Africa
 
  • KwaZulu-Natal
    • eThekwini District
      • Westville
Minerals of South Africa
Spain
 
  • Catalonia
    • Barcelona
      • Barcelonès
        • Barcelona city
          • Collserola mountain range
Switzerland
 
  • Wallis (Valais)
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
Analyses Nicolas Meisser, MGL Lausanne: XRD NM 5117 (17/01/2018)+ EDXS NM 3221 (27/11/2017)
Ukraine (TL)
 
  • Donetsk Oblast
    • Nikitovka Hg Deposit
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Vlasov V V, Kuznetsov A V (1962) Melanterite and the products of its alteration. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 91, issue 4, 490-492
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  
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