Mariakrite (original) (raw)

A valid IMA mineral species

Formula:

[Ca4Al2(OH)12(H2O)4][Fe2S4]

Bears a rather unique thioferrate unit.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:55766:5

d67fbe43-4d89-41e6-9fd3-adc33117638a

IMA Classification of MariakriteHide

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Approved, Pending publication

Classification of MariakriteHide

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4.FL.

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); 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.

Symbol Source Reference
Mari IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Chemistry of MariakriteHide

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Mindat Formula:

[Ca4Al2(OH)12(H2O)4][Fe2S4]

Crystallography of MariakriteHide

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Class (H-M):

1 - Pinacoidal

Cell Parameters:

a = 5.7107(2) Å, b = 9.9952(4) Å, c = 10.9095(4) Å
α = 98.678(3)°, β = 90.100(3)°, γ = 90.019(3)°

Ratio:

a:b:c = 0.571 : 1 : 1.091

Unit Cell V:

615.58 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
10.83 Å (100)
9.90 Å (39)
5.42 Å (75)
3.96 Å (22)
3.523 Å (19)
2.856 Å (37)
2.400 Å (23)
2.241 Å (20)

Type Occurrence of MariakriteHide

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Place of Conservation of Type Material:

collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18–2, Moscow 119071, Russia, registration number 5694/1

Synonyms of MariakriteHide

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Relationship of Mariakrite to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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4.FL. Trébeurdenite Fe2+2Fe3+4O2(OH)10CO3 · 3H2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Woodallite Mg6Cr2(OH)16Cl2 · 4H2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Iowaite Mg6Fe3+2(OH)16Cl2 · 4H2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Jamborite Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Meixnerite Mg6Al2(OH)16(OH)2 · 4H2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Muskoxite Mg7Fe4O13 · 10H2O Trig. 3_m_ _(_32/m )
4.FL.05 Fougèrite Fe2+4Fe3+2(OH)12[CO3] · 3H2O Trig. 3_m_ _(_32/m ) : R_3_m
4.FL.05 Mössbauerite Fe3+6O4(OH)8[CO3] · 3H2O Trig. 3
4.FL.05 Dritsite Li2Al4(OH)12Cl2 · 3H2O Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m
4.FL.10 Hydrocalumite Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O Mon. 2 : _P_21
4.FL.15 Kuzelite Ca4Al2(OH)12[SO4] · 6H2O Trig.
4.FL.20 Aurorite Mn2+Mn4+3O7 · 3H2O Trig. 3 : _R_3
4.FL.20 Chalcophanite ZnMn4+3O7 · 3H2O Trig. 3 : _R_3
4.FL.20 Ernienickelite NiMn3O7 · 3H2O Trig. 3 : _R_3
4.FL.20 Jianshuiite (Mg,Mn,Ca)Mn3O7 · 3H2O Trig. 3 : _R_3
4.FL.25 Woodruffite Zn2+x/2(Mn4+1-xMn3+x)O2 · yH2O Mon. 2/m : _B_2/m
4.FL.30 Asbolane (Ni,Co)2-xMn4+(O,OH)4 · nH2O Hex.
4.FL.30 va Lampadite Cu, Mn, O, H
4.FL.35 Buserite Na4Mn14O27 · 21H2O
4.FL.40 Ranciéite (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O Trig. 3 : _P_3
4.FL.40 Takanelite (Mn,Ca)Mn4O9 · H2O Hex.
4.FL.45 Birnessite (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O Mon. 2/m : _B_2/m
4.FL.55 Cianciulliite Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O Mon. 2/m : _B_2/m
4.FL.60 Jensenite Cu3[TeO6] · 2H2O Mon. 2/m : _P_21/m
4.FL.65 Leisingite Cu2MgTe6+O6 · 6H2O Trig. 3 : _P_3
4.FL.70 Akdalaite Al10O14(OH)2 Hex.
4.FL.75 Cafetite CaTi2O5 · H2O Mon. 2/m : _P_21/b
4.FL.80 Mourite UMo5O12(OH)10 Mon.
4.FL.85 Deloryite Cu4(UO2)(MoO4)2(OH)6 Mon. 2/m : _B_2/m
4.FL.90 Lagalyite Ca2xMn1-xO2 · 1.5-2H2O Mon.
4.FL.95 Tunnerite (of Cornu)
4.FL.100 Carbocalumite Ca4Al2(OH)12(CO3) · 6H2O Trig. 3_m_ _(_32/m ) : R_3_c
4.FL.100 Mampsisite Ca4Al2(CO3)(OH)12 · 5H2O Tric.

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.

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References for MariakriteHide

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Localities for MariakriteHide

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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.

Israel (TL)
Southern District (HaDarom District) Tamar Regional Council Hatrurim Basin ⓘ Hatrurim Junction (road no. 31) (TL) Miyawaki et al. (2022)