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Alexshubnikovite

A valid IMA mineral species - pending publication
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Formula:
Ca2Cu9(AsO4)4(OH)9Cl(H2O)8 · 2H2O
Crystal System:
Monoclinic
Isostructural with:
Tangdanite, Tyrolite
This page provides mineralogical data about Alexshubnikovite.


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Unique IdentifiersHide

Mindat ID:
499624
Long-form identifier:
mindat:1:1:499624:4

IMA Classification of AlexshubnikoviteHide

IMA status:
Approved, Pending publication

Classification of AlexshubnikoviteHide

Strunz-mindat (2026):
8.DM.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
M : With large and medium-sized cations, (OH, etc.):RO4 > 2:1

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

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

Chemistry of AlexshubnikoviteHide

Mindat Formula:
Ca2Cu9(AsO4)4(OH)9Cl(H2O)8 · 2H2O
Element Weights:
Element% weight
Cu36.279 %
O35.522 %
As19.011 %
Ca5.085 %
Cl2.249 %
H1.854 %

Calculated from ideal end-member formula.
Cu
O
As
Ca
Cl
H
Elements listed:
As, Ca, Cl, Cu, H, O - search for minerals with similar chemistry

Crystallography of AlexshubnikoviteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/c
Cell Parameters:
a = 27.112(6) Å, b = 5.523(1) Å, c = 10.433(3) Å
β = 92.327(4)°
Ratio:
a:b:c = 4.909 : 1 : 1.889
Unit Cell V:
1,560.94 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Type Occurrence of AlexshubnikoviteHide

Type Locality:
ⓘ Khovu-Aksy Ni-Co deposit, Chedi-Kholsky District, Tuva, Russia
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6305/1

Related Minerals - Strunz-mindat GroupingHide

8.DM.TomsquarryiteNaMgAl3(PO4)2(OH)6 · 8H2OTrig. 3m(32/m) : R3m
8.DM.ElliottiteNaMgAl3(PO4)2F6 · 9H2OMon. 2/m : B2/m
8.DM.Betpakdalite-FeFe[Fe3+2 (H2O)15(OH)2Fe3+(H2O)6][Mo8As2Fe3+3O37]Mon. 2/m : B2/m
8.DM.Penriceite[Mg(H2O)6][Na(H2O)2Al3(PO4)2F6] · H2OMon. 2/m : P21/c
8.DM.Betpakdalite-CaMg[Ca2(H2O)17Mg(H2O)6][Mo8As2Fe3+3O36(OH)] Mon. 2/m : B2/m
8.DM.Chinnerite[Mg(H2O)6]Na(H2O)2Al3(PO4)2F6Mon. 2/m : P2/c
8.DM.Sarrochite[Ca4(H2O)38][Mo8P2Fe3+3O37(OH)]Trig. 3m(32/m) : P3m1
8.DM.05EsperanzaiteNaCa2Al2(AsO4)2(OH)F4 · 2H2OMon. 2/m : P21/m
8.DM.05MoriniteNaCa2Al2(PO4)2(OH)F4 · 2H2OMon. 2/m : P21/m
8.DM.10TangdaniteCa2Cu9(AsO4)4(SO4)0.5(OH)9 · 9H2OMon. 2/m : B2/b
8.DM.10TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2OMon. 2/m
8.DM.15Melkovite[Ca2(H2O)15Ca(H2O)6][Mo8P2Fe3+3O36(OH)]Mon. 2/m : B2/m
8.DM.15Betpakdalite-NaCa[Na2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O34(OH)3]Mon. 2/m : B2/m
8.DM.15Betpakdalite-CaCa[Ca2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O36(OH)]Mon. 2/m : B2/m
8.DM.20Phosphovanadylite-BaBa[V4+4P2O8(OH)8] · 12H2OIso. 43m : I43m
8.DM.20Phosphovanadylite-CaCa[V4+4P2O12(OH)4] · 12H2O Iso. 43m : I43m
8.DM.25YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2OOrth. mm2
8.DM.30UdumineliteCa3Al8(PO4)2O12 · 2H2O
8.DM.35Aldermanite[Mg(H2O)6][Na(H2O)2Al3(PO4)2(OH,F)6] · H2O Mon. 2/m : P21/c
8.DM.35'Azovskite'Fe3+3(PO4)(OH)6 or near
8.DM.35DelvauxiteCaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmedAmor.
8.DM.40Santafeite(Na,Ca,Sr)12(Mn2+,Fe3+,Al,Mg)8Mn4+8(VO4)16(OH,O)20 · 8H2OOrth. mmm(2/m2/m2/m)
8.DM.55TapiaiteCa5Al2(AsO4)4(OH)4 · 12H2OMon. 2/m : P21/c
8.DM.60Alcantarillaite[Fe3+0.5(H2O)4][CaAs3+2(Fe3+2.5W6+0.5)(AsO4)2O7]Orth. mmm(2/m2/m2/m) : Imma

Other InformationHide

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 AlexshubnikoviteHide

References for AlexshubnikoviteHide

Localities for AlexshubnikoviteHide

Showing 1 localities.

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.
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Locality ListHide

- 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.
Russia (TL)
 
  • Tuva
    • Chedi-Kholsky District
Kasatkin et al. (2026)
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