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⇱ Hodgesmithite: Mineral information, data and localities.

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Hodgesmithite

A valid IMA mineral species
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About HodgesmithiteHide

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Formula:
(Cu,Zn)6Zn(SO4)2(OH)10 · 3H2O
The type material contains minor SiO4 substituting for SO4.
Crystal System:
Trigonal
Member of:
Name:
Named in honor of Thomas Hodge-Smith (27 October 1894, Swindon, Wiltshire, England - 8 June 1945), mineralogist and curator of the Australian Museum, Sydney, Australia.
Closely related to schulenbergite (also trigonal), having one of seven Cu-dominated sites replaced with single Zn-dominated one. Also chemically related to ktenasite and christelite. Compare 'UM1992-30-SO:CCuHZn', the Zn analogue of schulenbergite, 'Unnamed Cu-Zn Sulphate (of Schmutz et al.)', and bechererite.


The species is reported to have an interesting, unique "decorated, interrupted-sheet structure". In contrast, the crystal structure of schulenbergite is based on an uninterrupted sheet.


Unique IdentifiersHide

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Mindat ID:
47602
Long-form identifier:
mindat:1:1:47602:3

Classification of HodgesmithiteHide

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Members of the namuwite group exhibit gordaite-type sheets. Hodgesmithite exhibits a modified version of the sheet topology with a slightly lower M/T ratio of 7:2 (compared to 4:1 in the archetypal gordaite-type sheet).

IMA Classification of HodgesmithiteHide

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Approved
Approval year:
2016
First published:
2019
7.DD.45

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra

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.

SymbolSourceReference for Standard
HdgIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Chemistry of HodgesmithiteHide

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Mindat Formula:
(Cu,Zn)6Zn(SO4)2(OH)10 · 3H2O

The type material contains minor SiO4 substituting for SO4.
Element Weights:
Element% weight
Cu44.185 %
O38.937 %
Zn7.577 %
S7.432 %
H1.869 %

Calculated from ideal end-member formula.

Crystallography of HodgesmithiteHide

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Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 8.190(1) Å, c = 7.099(1) Å
Ratio:
a:c = 1 : 0.867
Unit Cell V:
412.38 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:
d-spacingIntensity
7.098 Å(100)
5.020 Å(5)
3.550 Å(19)
3.173 Å(19)
2.681 Å(16)
2.509 Å(19)
2.138 Å(6)
1.772 Å(4)
Comments:
Additional, very weak reflections are given in https://journals.iucr.org/b/issues/2019/06/00/lo5053/lo5053sup3.pdf

Geological EnvironmentHide

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Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]

Type Occurrence of HodgesmithiteHide

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Place of Conservation of Type Material:
South Australian Museum, Adelaide, Australia, G34298.

Synonyms of HodgesmithiteHide

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Other Language Names for HodgesmithiteHide

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Relationship of Hodgesmithite to other SpeciesHide

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Member of:
Other Members of Namuwite Group:
BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
GordaiteNaZn4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
Hanahanite[Zn8(OH)14(SO4)] · 3H2OHex. 6 : P63
Haywoodite[Pb(H2O)10][Zn12(OH)20(H2O)(SO4)3]Tric. 1 : P1
LahnsteiniteZn4(SO4)(OH)6 · 3H2OTric. 1 : P1
NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
TzeferisiteCaZn8(SO4)2(OH)12Cl2(H2O)9Trig. 3m(32/m) : R3c

Related Minerals - Strunz-mindat GroupingHide

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7.DD.AsagiiteNiCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.07LlantenesiteCu6Al[SeO4](OH)12Cl · 3H2OTrig. 3m : P31c
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10FehriteMgCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.10GobeliniteCoCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/m
7.DD.15KobyasheviteCu5(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P31c
7.DD.15'Unnamed (Dimorph of Devilline)'CaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.20KtenasiteZnCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6 · 4H2O Mon. 2/m : P21/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon. 2 : B2
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35Zincaluminite(Zn1-xAlx)(SO4)x/2(OH)2 · nH2O
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OHex.
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m(32/m) : R3m
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m(32/m) : P3c1
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m(32/m) : R3m
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m(32/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)7◻2Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40IsseliteCu6(SO4)(OH)10(H2O)4 · H2OOrth. mm2 : Pmn21
7.DD.45MooreiteMg9◻2Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.47LahnsteiniteZn4(SO4)(OH)6 · 3H2OTric. 1 : P1
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.50Minohlite(Cu,Zn)7(SO4)2(OH)10 · 8H2OHex.
7.DD.52LauraniiteCu6Cd2(SO4)2(OH)12 · 5H2OMon. 2/m : P21/b
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75NickelalumiteNiAl4(SO4)(OH)12(H2O)3Mon. 2/m
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12 · 3H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig. 3
7.DD.80'UM1992-30-SO:CCuHZn'(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Other InformationHide

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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 HodgesmithiteHide

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mindat.org URL:
https://www.mindat.org/min-47602.html
Please feel free to link to this page.

References for HodgesmithiteHide

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Localities for HodgesmithiteHide

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Showing 2 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
symbol to view information about a locality. The 👁 Image
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Locality ListHide

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👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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.
Australia (TL)
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
Hålenius et al. (2016) +1 other reference
Greece
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Kamariza Mines (Kamareza Mines)
 ...
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