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Glushinskite

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Big Photo

San Simon Basin (San Simon River; Bowie Chabazite deposit), Bowie area, Cochise Co., Arizona, USA
© 2008, JGW




Formula:
Mg(C
 
2
O
 
4
) · 2H
 
2
O
System:Monoclinic
Name:For Peter Ivanovich Glushinskii.


Both alpha and beta forms are known as synthetic compounds.
Glushinskite is identical to the beta form.
The unnamed alpha form has been reported from the Lake Huleh basin, Jordan Rift Valley, Israel (Cowgill, 1989).

Classification of Glushinskite

IMA status:Approved
Strunz 8th edition ID:9/A.01-40
Nickel-Strunz 10th (pending) edition ID:10.AB.10

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
Dana 8th edition ID:50.1.3.2

50 : ORGANIC COMPOUNDS
1 : Oxalates
Hey's CIM Ref.:31.1.4

31 : Oxalates, Citrates, Mellitates and Acetates
1 : Oxalates
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Type Occurrence of Glushinskite

Type Locality:Chai-Tumus coal deposits (Chaitumusuk coal Deposits), Lena River Basin, Bulun District, Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Year of Discovery:1960

Crystallography of Glushinskite

Crystal System:Monoclinic
Cell Parameters:a = 12.67Å, b = 5.4Å, c = 9.98Å
β = 129.45°
Ratio:a:b:c = 2.346 : 1 : 1.848
Unit Cell Volume:V 527.25 ų (Calculated from Unit Cell)

Optical Data of Glushinskite

Type:Biaxial (-)
RI values: nα = 1.365 nβ = 1.530 nγ = 1.595
Maximum Birefringence:δ = 0.230

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r < v weak

Chemical Properties of Glushinskite

Formula:
Mg(C
 
2
O
 
4
) · 2H
 
2
O
Essential elements:C, H, Mg, O
All elements listed in formula:C, H, Mg, O

Relationship of Glushinskite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.AB.05Humboldtine
Fe
2+
 
(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.05Lindbergite
Mn
2+
 
(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.15Moolooite
Cu(C
 
2
O
 
4
) · 0.4H
 
2
O
10.AB.20Stepanovite
NaMgFe
3+
 
(C
 
2
O
 
4
)
 
3
 · 8-9H
 
2
O
10.AB.25Minguzzite
K
 
3
Fe
3+
 
(C
 
2
O
 
4
)
 
3
 · 3H
 
2
O
10.AB.30Wheatleyite
Na
 
2
Cu(C
 
2
O
 
4
)
 
2
 · 2H
 
2
O
10.AB.35Zhemchuzhnikovite
NaMg(Fe
3+
 
,Al)(C
 
2
O
 
4
)
 
3
 · 8H
 
2
O
10.AB.40Weddellite
Ca(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.45Whewellite
Ca(C
 
2
O
 
4
) · H
 
2
O
10.AB.50Caoxite
Ca(C
 
2
O
 
4
) · 3H
 
2
O
10.AB.55Oxammite
(NH
 
4
)
 
2
(C
 
2
O
 
4
) · H
 
2
O
10.AB.60Natroxalate
Na
 
2
(C
 
2
O
 
4
)
10.AB.65Coskrenite-(Ce)
(Ce,Nd,La)
 
2
(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.70Levinsonite-(Y)
(Y,Nd,La)Al(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.75Zugshunstite-(Ce)
(Ce,Nd,La)Al(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.80Novgorodovaite
Ca
 
2
(C
 
2
O
 
4
)Cl
 
2
 · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
31.1.1Oxammite
(NH
 
4
)
 
2
(C
 
2
O
 
4
) · H
 
2
O
31.1.2Moolooite
Cu(C
 
2
O
 
4
) · 0.4H
 
2
O
31.1.3Wheatleyite
Na
 
2
Cu(C
 
2
O
 
4
)
 
2
 · 2H
 
2
O
31.1.5Whewellite
Ca(C
 
2
O
 
4
) · H
 
2
O
31.1.6Weddellite
Ca(C
 
2
O
 
4
) · 2H
 
2
O
31.1.7Humboldtine
Fe
2+
 
(C
 
2
O
 
4
) · 2H
 
2
O
31.1.8Stepanovite
NaMgFe
3+
 
(C
 
2
O
 
4
)
 
3
 · 8-9H
 
2
O
31.1.9Zhemchuzhnikovite
NaMg(Fe
3+
 
,Al)(C
 
2
O
 
4
)
 
3
 · 8H
 
2
O
31.1.10Minguzzite
K
 
3
Fe
3+
 
(C
 
2
O
 
4
)
 
3
 · 3H
 
2
O

Other Names for Glushinskite

Other Languages:
German:Glushinskit
Spanish:Glushinskita

Other Information

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 Glushinskite

Reference List:

- +
American Mineralogist: 66: 439.

Cowgill, U.M. (1989) A naturally occurring alpha magnesium oxalate dihydrate from
northern Jordan Valley (Israel). Mineral. Mag., 53, 505–507.

Internet Links for Glushinskite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Glushinskite details from Handbook of Mineralogy (PDF)
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    • Localities for Glushinskite

    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.
    Hide Locality List
    (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.
    Botswana
     
    • North-West District
      • Ngamiland West District
    		http://rruff.geo.arizona.edu/doclib/hom/glushinskite.pdf
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • St Ulrich
    		Walenta, K. (2003): Oxalatmineralien aus dem Schwarzwald. Erzgräber 17, 9-16. (in German)
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Polar Yakutia
          • Bulun District
            • Lena River Basin
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    UK
     
    • Scotland
      • Buchan Grampian (Aberdeenshire)
        • Insch
    		Wilson, M.J., Jones, D., Russell, J.D. (1980) Glushinkite, a naturally occurring magnesium oxalate. Mineralogical Magazine 43, 837-840.
    USA
     
    • Arizona
    Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 4; Garvie, L.A.J. (2003) Decay-induced biomineralization of the saguaro cactus (Carnegiea gigantean). American Mineralogist: 88: 1879-1888.
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