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Glushinskite

A valid IMA mineral species
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About GlushinskiteHide

Formula:
Mg(C2O4) · 2H2O
Colour:
Creamy white, colorless
Lustre:
Sub-Adamantine
Hardness:
2
Specific Gravity:
1.85
Crystal System:
Monoclinic
Name:
Named in honor of Peter Ivanovich Glushinskii (Петр Иванович Глушинский) (1908–1990), coal geologist, Institute of Arctic and Antarctic Geology, St. Petersburg, Russia.
Isostructural with:
The Fe analogue of lindbergite, andreybulakhite, humboldtine, and katsarosite.

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).


Unique IdentifiersHide

Mindat ID:
1713
Long-form identifier:
mindat:1:1:1713:4
GUID
(UUID V4):
ba26fe1c-094d-4503-959e-8221008f5012

IMA Classification of GlushinskiteHide

Classification of GlushinskiteHide

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

Mineral SymbolsHide

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

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

Physical Properties of GlushinskiteHide

Sub-Adamantine
Transparency:
Translucent
Colour:
Creamy white, colorless
Hardness:
Density:
1.85 g/cm3 (Measured)    

Optical Data of GlushinskiteHide

Type:
Biaxial (-)
RI values:
nα = 1.365 nβ = 1.530 nγ = 1.595
2V:
Measured: 58° (1)
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

Chemistry of GlushinskiteHide

Mindat Formula:
Mg(C2O4) · 2H2O

Crystallography of GlushinskiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 12.675 Å, b = 5.406 Å, c = 9.984 Å
β = 129.45°
Ratio:
a:b:c = 2.345 : 1 : 1.847
Unit Cell V:
528.26 ų (Calculated from Unit Cell)
Z:
4
Morphology:
granular, distorted pyramidal crystals, to 5 µm

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.89 Å(100)
3.179 Å(70)
2.039 Å(60)
2.379 Å(50)
1.861 Å(50)
3.340 Å(40)
2.541 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
50 : Coal and/or oil shale minerals<0.36
53 : Other minerals with taphonomic origins<0.4

Type Occurrence of GlushinskiteHide

Place of Conservation of Type Material:
Royal Scottish Museum, Edinburgh, Scotland; The Natural History Museum, London, England.
Geological Setting of Type Material:
coal deposits
Associated Minerals at Type Locality:
Reference:
Wilson, M.J., Jones, D., Russell, J.D. (1980) Glushinkite, a naturally occurring magnesium oxalate. Mineralogical Magazine: 43: 837-840.

Other Language Names for GlushinskiteHide

Relationship of Glushinskite to other SpeciesHide

Other Members of this group:
AndreybulakhiteNi(C2O4) · 2H2OMon. 2/m : B2/b
HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
KatsarositeZn(C2O4) · 2H2OMon. 2/m : B2/b
LindbergiteMn2+(C2O4) · 2H2OMon. 2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Glushinskite associated with GypsumCaSO4 · 2H2O

Related Minerals - Strunz-mindat GroupingHide

10.AB.Deveroite-(Ce)Ce2(C2O4)3 · 10H2OMon. 2/m : P21/b
10.AB.XFalottaiteMnC2O4 · 3H2OOrth. mmm (2/m 2/m 2/m)
10.AB.Uroxite [(UO2)2(C2O4)(OH)2(H2O)2] · H2OMon. 2/m : P21/b
10.AB.AndreybulakhiteNi(C2O4) · 2H2OMon. 2/m : B2/b
10.AB.EdwindavisiteCu(C2O4)(NH3)Orth. mmm (2/m 2/m 2/m) : Pbca
10.AB.05HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
10.AB.05LindbergiteMn2+(C2O4) · 2H2OMon. 2/m
10.AB.05KatsarositeZn(C2O4) · 2H2OMon. 2/m : B2/b
10.AB.15MoolooiteCu(C2O4) · nH2OOrth.
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. 1 : P1
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.47FiemmeiteCu2(C2O4)(OH)2 · 2H2OMon. 2/m : P21/b
10.AB.50CaoxiteCa(C2O4) · 3H2OTric. 1 : P1
10.AB.50MiddlebackiteCu2C2O4(OH)2Mon. 2/m : P21/b
10.AB.52Metauroxite(UO2)2(C2O4)(OH)2(H2O)2Tric. 1 : P1
10.AB.55Oxammite(NH4)2(C2O4) · H2OOrth. 2 2 2 : P21 21 2
10.AB.60NatroxalateNa2(C2O4)Mon. 2/m : P21/b
10.AB.60Phoxite(NH4)2Mg2(C2O4)(PO3OH)2(H2O)4Mon. 2/m : P21/b
10.AB.60Carboferriphoxite[(NH4)K(H2CO3)][Fe3+(HPO4)(H2PO4)(C2O4)]Tric.
10.AB.60Ferriphoxite[(NH4)2K(H2O)][Fe3+(HPO4)2(C2O4)]Mon. 2/m : B2/b
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. 2/m : B2/b
10.AB.80NovgorodovaiteCa2(C2O4)Cl2 · 2H2OMon. 2/m

Other InformationHide

Notes:
Soluble in water
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 GlushinskiteHide

References for GlushinskiteHide

Reference List:

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 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.
Botswana
 
  • North-West District
    • Ngamiland West District
rruff.geo.arizona.edu (n.d.)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Breisgau-Hochschwarzwald
        • Bollschweil
          • St Ulrich
Walenta (2003)
Namibia
 
  • Kunene Region
    • Khorixas
Mineralogical Society of America - ...
Russia (TL)
 
  • Sakha
    • Polar Yakutia
      • Bulun District
        • Lena River Basin
Nefedov (1960) +1 other reference
UK
 
  • Scotland
    • Aberdeenshire
      • Insch
Wilson et al. (1980) +1 other reference
USA
 
  • Arizona
Garvie (2003)
Garvie (2003) +1 other reference
 
Mineral and/or Locality  
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