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|Name:||Named after Aleksei Vasilievich Shubnikov (1887-1970), director crystallographic institute, Academy of sciences of the USSR.|
A highly questionable mineral (cf. Giester et al., 2007); probably one of the arsenate members of the Lavendulan Group.
Classification of Shubnikovite
|Strunz 8th edition ID:||7/D.25-30|
|Nickel-Strunz 10th (pending) edition ID:||8.DG.05|
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
G : With large and medium-sized cations, (OH, etc.):RO4< 0.5:1
|Dana 8th edition ID:||126.96.36.199|
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : (AB)5(XO4)3Zq·xH2O
|Hey's CIM Ref.:||22.2.5|
22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride
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Type Occurrence of Shubnikovite
|Type Locality:||Khovu-Aksy Ni-Co deposit, Tuva Republic, Eastern-Siberian Region, Russia|
|Year of Discovery:||1953|
Physical Properties of Shubnikovite
Optical Data of Shubnikovite
|RI values:||nα = 1.640 nβ = 1.690 nγ = 1.690|
|Maximum Birefringence:||δ = 0.050|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Shubnikovite
|Essential elements:||As, Ca, Cl, Cu, H, O|
|All elements listed in formula:||As, Ca, Cl, Cu, H, O|
Relationship of Shubnikovite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Shubnikovite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Shubnikovite
Nefedov, Ye. (1953), Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 82: 311-317.
American Mineralogist (1055): 40: 552.
Giester, Gerald; Uwe Kolitsch ; Peter Leverett ; Peter Turner ; Peter A. Williams (2007) The crystal structures of lavendulan, sampleite, and a new polymorph of sampleite. European Journal of Mineralogy 19, 75-93.
Internet Links for Shubnikovite
Localities for Shubnikovite
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Melgaço, Viana do Castelo District, PortugalFrom Rui Nunes, 12th Dec 2013 11:09:53