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Glushinskite

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About GlushinskiteHide

Formula:
Mg(C2O4) · 2H2O
Crystal System:
Monoclinic
Name:
Named in honor of Peter Ivanovich Glushinskii (Петра Ивановича Глушинского) (1908–1990), coal geologist, Institute of Arctic and Antarctic Geology, St. Petersburg, Russia.
Isostructural with:
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).

Common biomineral formed at lichen Lecanora atra - serpentinite interface (vide Burford et al., 2003).


Classification of GlushinskiteHide

Approved
10.AB.10

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
50.1.3.2

50 : ORGANIC COMPOUNDS
1 : Oxalates
31.1.4

31 : Oxalates, Citrates, Mellitates and Acetates
1 : Oxalates

Optical Data of GlushinskiteHide

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

Formula:
Mg(C2O4) · 2H2O

Crystallography of GlushinskiteHide

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

Type Occurrence of GlushinskiteHide

Other Language Names for GlushinskiteHide

Relationship of Glushinskite to other SpeciesHide

Other Members of this group:
HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
LindbergiteMn2+(C2O4) · 2H2OMon. 2/m
Unnamed (Zn-analogue of Humboldtine)Zn(C2O4) · 2H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gypsum1 photo of Glushinskite associated with Gypsum on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

10.AB.05HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
10.AB.05LindbergiteMn2+(C2O4) · 2H2OMon. 2/m
10.AB.15MoolooiteCu(C2O4) · 0.4H2OOrth.
10.AB.20StepanoviteNaMgFe3+(C2O4)3 · 8-9H2OTrig. 3m : P3c1
10.AB.25MinguzziteK3Fe3+(C2O4)3 · 3H2OMon. 2/m : P21/b
10.AB.30WheatleyiteNa2Cu(C2O4)2 · 2H2OTric.
10.AB.35ZhemchuzhnikoviteNaMgAl(C2O4)3 · 8H2OTrig. 3m : P3c1
10.AB.40WeddelliteCa(C2O4) · (2.5-x)H2OTet. 4/m : I4/m
10.AB.45WhewelliteCa(C2O4) · H2OMon. 2/m : P21/b
10.AB.50CaoxiteCa(C2O4) · 3H2OTric.
10.AB.55Oxammite(NH4)2(C2O4) · H2OOrth. 2 2 2 : P21 21 2
10.AB.60NatroxalateNa2(C2O4)Mon.
10.AB.65Coskrenite-(Ce)(Ce,Nd,La)2(C2O4)(SO4)2 · 12H2OTric.
10.AB.70Levinsonite-(Y)(Y,Nd,La)Al(C2O4)(SO4)2 · 12H2OMon. 2/m
10.AB.75Zugshunstite-(Ce)(Ce,Nd,La)Al(C2O4)(SO4)2 · 12H2OMon.
10.AB.80NovgorodovaiteCa2(C2O4)Cl2 · 2H2OMon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

50.1.3.1HumboldtineFe2+(C2O4) · 2H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

31.1.1Oxammite(NH4)2(C2O4) · H2OOrth. 2 2 2 : P21 21 2
31.1.2MoolooiteCu(C2O4) · 0.4H2OOrth.
31.1.3WheatleyiteNa2Cu(C2O4)2 · 2H2OTric.
31.1.5WhewelliteCa(C2O4) · H2OMon. 2/m : P21/b
31.1.6WeddelliteCa(C2O4) · (2.5-x)H2OTet. 4/m : I4/m
31.1.7HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
31.1.8StepanoviteNaMgFe3+(C2O4)3 · 8-9H2OTrig. 3m : P3c1
31.1.9ZhemchuzhnikoviteNaMgAl(C2O4)3 · 8H2OTrig. 3m : P3c1
31.1.10MinguzziteK3Fe3+(C2O4)3 · 3H2OMon. 2/m : P21/b

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.

References for GlushinskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Walter-Levy, L., Perrotey, J., Visser, J.W. (1971) Crystal systems of magnesium oxalates and chlorooxalates. Bull. Soc. Chim. Fr.: 1971: 757-761 (in French).
Wilson, M.J., Jones, D., Russell, J.D. (1980) Glushinkite, a naturally occurring magnesium oxalate. Mineralogical Magazine: 43: 837-840.
American Mineralogist: 66: 439.
Wilson, M.J., Bayliss, P. (1987) Mineral nomenclature: glushinskite. Mineralogical Magazine: 51: 327.
Cowgill, U.M. (1989) A naturally occurring alpha magnesium oxalate dihydrate from
northern Jordan Valley (Israel). Mineralogical Magazine: 53: 505–507.
Burford, E.P., Kierans, M., Gadd, G.M. (2003) Geomycology: fungi in mineral substrata. Mycologist: 17(3): 98-107; DOI: 10.1017/S0269915X03003112

Internet Links for GlushinskiteHide

Localities for GlushinskiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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 (TL)
 
  • Eastern-Siberian Region
    • 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
    • Aberdeenshire
      • Insch
Wilson, M.J., Jones, D., Russell, J.D. (1980) Glushinskite, a naturally occurring magnesium oxalate. Mineralogical Magazine, vol. 43, n° 331, p. 837-840.; Livingstone, A. and Macpherson, H.G. (1983) Fifth supplementary list of British minerals (Scottish). Mineralogical Magazine, vol. 47, n° 342, p. 99-105.
USA
 
  • Arizona
Garvie, L. A. (2003). Decay-induced biomineralization of the saguaro cactus (Carnegiea gigantea). American Mineralogist, 88(11-12), 1879-1888.
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.
Mineral and/or Locality  
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