Ferrohexahydrite (original) (raw)
A valid IMA mineral species - grandfathered
About FerrohexahydriteHide
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Colour:
Bluish green, colourless, white, light brownish
Specific Gravity:
1.934 (Calculated)
Crystal System:
Monoclinic
Name:
The iron analogue of hexahydrite
This page provides mineralogical data about Ferrohexahydrite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1517:8
65511a9a-f064-4cba-a2de-c367465e7b10
IMA Classification of FerrohexahydriteHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Fe2+(SO4) · 6H2O
Classification of FerrohexahydriteHide
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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
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fhhy | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of FerrohexahydriteHide
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Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Sorry, your browser doesn't support HTML5 audio. | Jolyon Ralph | United Kingdom |
Physical Properties of FerrohexahydriteHide
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Colour:
Bluish green, colourless, white, light brownish
Density:
1.934 g/cm3 (Calculated)
Optical Data of FerrohexahydriteHide
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RI values:
_n_α = 1.468 _n_γ = 1.498
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
relatively weak
Chemistry of FerrohexahydriteHide
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Mindat Formula:
FeSO4 · 6H2O
Crystallography of FerrohexahydriteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
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)
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.89 Å | (6) |
| 4.43 Å | (10) |
| 2.97 Å | (7) |
| 2.93 Å | (7) |
| 2.03 Å | (6) |
| 1.881 Å | (6) |
| 1.862 Å | (6) |
Geological EnvironmentHide
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Type Occurrence of FerrohexahydriteHide
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Other Language Names for FerrohexahydriteHide
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Relationship of Ferrohexahydrite to other SpeciesHide
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Other Members of this group:
Related Minerals - Strunz-mindat GroupingHide
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| 7.CB. | Sarvodaite | Al2(SO4)3 · 5H2O | Mon. 2/m : _P_21/m |
|---|---|---|---|
| 7.CB.02 | Voudourisite | CdSO4 · H2O | Mon. 2/m : _P_21/m |
| 7.CB.05 | Dwornikite | Ni(SO4) · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Gunningite | ZnSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Kieserite | MgSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Poitevinite | (Cu,Fe)SO4 · H2O | Tric. 1 : _P_1 |
| 7.CB.05 | Szmikite | MnSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Szomolnokite | FeSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Cobaltkieserite | CoSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.07 | Sanderite | MgSO4 · 2H2O | Orth. 222 : _P_212121 |
| 7.CB.10 | Bonattite | CuSO4 · 3H2O | Mon. m : B b |
| 7.CB.12 | Belogubite | CuZn(SO4)2 · 10H2O | Tric. 1 : _P_1 |
| 7.CB.15 | Aplowite | (Co,Mn,Ni)SO4 · 4H2O | Mon. 2/m |
| 7.CB.15 | Boyleite | (Zn,Mg)SO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Ilesite | Mn2+(SO4) · 4H2O | Mon. 2/m |
| 7.CB.15 | Rozenite | FeSO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Starkeyite | MgSO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Drobecite | CdSO4 · 4H2O | Mon. 2/m : _P_21/m |
| 7.CB.15 | Cranswickite | MgSO4 · 4H2O | Mon. m : B b |
| 7.CB.20 | Chalcanthite | CuSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Jôkokuite | MnSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Pentahydrite | MgSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Siderotil | FeSO4 · 5H2O | Tric. |
| 7.CB.25 | Bianchite | Zn(SO4) · 6H2O | Mon. 2/m : _P_2/m |
| 7.CB.25 | Chvaleticeite | Mn(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.25 | Hexahydrite | MgSO4 · 6H2O | Mon. 2/m : _P_2/m |
| 7.CB.25 | Moorhouseite | Co(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.25 | Nickelhexahydrite | Ni(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.30 | Retgersite | NiSO4 · 6H2O | Tet. 422 : _P_41212 |
| 7.CB.35 | Bieberite | CoSO4 · 7H2O | Mon. 2/m : _P_2/m |
| 7.CB.35 | Boothite | CuSO4 · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Mallardite | MnSO4 · 7H2O | Mon. 2/m : _P_2/m |
| 7.CB.35 | Melanterite | Fe2+(H2O)6SO4 · H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Zincmelanterite | (Zn,Cu,Fe)SO4 · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Alpersite | (Mg,Cu)(SO4) · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.40 | Epsomite | MgSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.40 | Goslarite | ZnSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.40 | Morenosite | NiSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.45 | Alunogen | Al2(SO4)3 · 17H2O | Tric. 1 : _P_1 |
| 7.CB.45 | Meta-alunogen | Al2(SO4)3 · 12H2O | Orth. |
| 7.CB.50 | Aluminocoquimbite | Al2Fe2(SO4)6(H2O)12 · 6H2O | Trig. 3_m_ _(_32/m ) : P_31_c |
| 7.CB.50 | Lazaridisite | 3CdSO4 · 8H2O | Mon. 2/m : _B_2/b |
| 7.CB.52 | Pararaisaite | CuMg[Te6+O4(OH)2] · 6H2O | Mon. 2/m : _P_21/b |
| 7.CB.55 | Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O | Trig. 3_m_ _(_32/m ) : P_31_c |
| 7.CB.55 | Paracoquimbite | Fe4(SO4)6(H2O)12 · 6H2O | Trig. 3 : _R_3 |
| 7.CB.55 | Rhomboclase | (H5O2)Fe3+(SO4)2 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 7.CB.55 | Raisaite | CuMg[Te6+O4(OH)2] · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.57 | Caichengyunite | Fe2+3Al2(SO4)6 · 30H2O | Mon. |
| 7.CB.60 | Kornelite | Fe2(SO4)3 · 7H2O | Mon. 2/m : _P_21/m |
| 7.CB.65 | Quenstedtite | Fe2(SO4)3 · 11H2O | Tric. 1 : _P_1 |
| 7.CB.70 | Lausenite | Fe2(SO4)3 · 5H2O | Mon. 2/m : _P_21/m |
| 7.CB.75 | Lishizhenite | ZnFe2(SO4)4 · 14H2O | Tric. 1 : _P_1 |
| 7.CB.75 | Römerite | Fe2+Fe3+2(SO4)4 · 14H2O | Tric. 1 : _P_1 |
| 7.CB.80 | Ransomite | CuFe2(SO4)4 · 6H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Apjohnite | Mn2+Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Bílinite | Fe2+Fe3+2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Dietrichite | (Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Halotrichite | FeAl2(SO4)4 · 22H2O | Mon. 2 : _P_2 |
| 7.CB.85 | Pickeringite | MgAl2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Redingtonite | (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4 · 22H2O | Mon. 2 |
| 7.CB.85 | Wupatkiite | (Co,Mg,Ni)Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.90 | Meridianiite | MgSO4 · 11H2O | Tric. 1 : _P_1 |
Other InformationHide
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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.
Internet Links for FerrohexahydriteHide
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References for FerrohexahydriteHide
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Localities for FerrohexahydriteHide
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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
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
| Andorra | |
|---|---|
| Ordino Llorts ⓘ Llorts Mine | Valenti Turu and Michels (1992) |
| Austria | |
| Salzburg Zell am See District Saalfelden Biberg (Bieberg) ⓘ Diabase quarry (Biberg quarry) | Strasser (1989) |
| Belgium | |
| Wallonia Liège Liège Glain ⓘ Patience et Beaujonc coal dump | Van Tassel (1973) +2 other references |
| Czech Republic | |
| Karlovy Vary Region Karlovy Vary District ⓘ Jáchymov | Lapis 2002 (7/8) |
| Moravian-Silesian Region Karviná District Orlová ⓘ Lazy Mine | Matýsek D. |
| Ostrava-City District Ostrava ⓘ Heřmanice | Dalibor Matýsek |
| Germany | |
| Lower Saxony Goslar District Langelsheim Astfeld ⓘ Herzog Julius smelter slag locality | |
| ⓘ Unspecified slag localities | Schnorrer-Köhler (1988) |
| Saxony Bautzen District Sohland an der Spree ⓘ Sulphide deposit (Sohlander Bergsegen) | Witzke et al. (1997) |
| Greece | |
| Attica East Attica Lavreotiki ⓘ Lavrion Mining District | Rieck et al. (2020) |
| Km 3 Kaminiza mines ⓘ Esperanza Mine | Rieck et al. (2020) |
| Italy | |
| Campania Metropolitan City of Naples ⓘ Mount Vesuvius | Russo et al. (2004) |
| ⓘ Vesuvius fumaroles | Russo et al. (2004) |
| Japan | |
| Hokkaidō Prefecture Hiyama Subprefecture Hiyama District Kaminokuni ⓘ Johkoku mine (Jôkoku mine; Jokoku mine) | Nambu et al (1979) |
| Poland | |
| Lesser Poland Voivodeship Olkusz County Gmina Olkusz ⓘ Pomorzany Mine | Cabała et al. (2008) |
| Russia | |
| Kamchatka Krai Yelizovsky District ⓘ Mutnovsky volcano | Bortnikova et al. (2008) |
| ⓘ Tatarstan | Mineralogical Society of America - ... +1 other reference |
| Slovakia | |
| Košice Region ⓘ Košice | Koděra (1986) |
| South Africa | |
| KwaZulu-Natal eThekwini Metropolitan Municipality Durban Westville ⓘ S. A. Crushers quarry | Cairncross et al. (1995) |
| Spain | |
| Catalonia Barcelona Barcelonès Barcelona city Collserola mountain range ⓘ Santa Creu d'Olorda | |
| Switzerland | |
| Valais Goms Binn Fäld ⓘ Lengenbach Quarry | Analyses Nicolas Meisser (17/01/2018) |
| Ukraine (TL) | |
| Donetsk Oblast Gorlovka Nikitovka Hg deposit (Nikitovka ore field) ⓘ Sofiya Mine (TL) | Vlasov V V (1962) +1 other reference |
| USA | |
| Arizona Coconino County San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts) ⓘ Sunset Crater (Sunset Peak) | Hanson (2000) +2 other references |
| Massachusetts Franklin County Rowe ⓘ Davis Pyrite Mine | Cerato |
| Virginia Carroll County Southern Section-Blue Ridge Province Gossan Lead Mining District Fries ⓘ Gossan Mine | Dietrich (1990) |
| ⓘ Iron Ridge Mine (Bumbarger Pit; Great Outburst Mine; Huey Pit; Monarat Mine) | Dietrich (1990) |
| Louisa County Gold-Pyrite Belt Mineral ⓘ Sulphur Mine (Crenshaw Mine; Victoria Furnace Mine) | Dietrich (1990) |