Glushinskite Mineral Data

Glushinskite Mineral Data
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General Glushinskite Information

Help on Chemical Formula: Chemical Formula: Mg(C2O4)•2(H2O)
Help on Composition: Composition: Molecular Weight = 148.36 gm
   Magnesium  16.38 %  Mg   27.17 % MgO
   Hydrogen    2.72 %  H    24.29 % H2O
   Carbon     16.19 %  C    48.55 % C2O3
   Oxygen     64.71 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg(C2O4)•2(H2O)
Help on Environment: Environment: Formed by reaction between Mg-rich minerals and oxalic acid secreted by incrusting lichen.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Mill of Johnston, six km west-southwest of Insch, Kincardineshire, and on the Island of Rhum, Inner Hebrides. Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Petr Ivanovich Glushinskii (1908- ), coal geologist, Institute of Arctic and Antarctic Geology, St. Petersburg, Russia.
Help on Name Pronunciation: Name Pronunciation: Glushinskite + Pronunciation Say GLUSHINSKITE
Help on Synonym: Synonym: Magnesium Oxalate
 

Glushinskite Image

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Glushinskite

Comments: White coatings of glushinskite on dirty, tan gypsum.
Location: San Simon, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Glushinskite

Comments: SEM photo of two large euhedral glushinskite crystals partially embedded in the dried, rotten saguaro matrix. (AmMin, 88:1883).
Location: Crystals associated with the remains of a saguaro, Carnegiea gigantea from south and west central Arizona. Scale: Scale bar 150 µ-m.
© American Mineralogist

Glushinskite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.3446:1:1.8468
Help on Cell Dimensions: Cell Dimensions: a = 12.675, b = 5.406, c = 9.984, Z = 4; beta = 129.45° V = 528.26 Den(Calc)= 1.87
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.89(1), 3.179(0.7), 2.039(0.6),
 

Physical Properties of Glushinskite

Help on Color: Color: White, White, Colorless.
Help on Density: Density: 1.85
Help on Streak: Streak: white
 

Optical Properties of Glushinskite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.961 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.94 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2656,KPDmeas= 0.2685,KC= 0.1369
Ncalc = 1.25 - 1.26
Help on Optical Data: Optical Data: Biaxial (-), a=1.365, b=1.53, g=1.595, bire=0.2300
 

Calculated Properties of Glushinskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.92 gm/cc
note: Specific Gravity of Glushinskite =1.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEGlushinskite = 0.61 barns/electron
U=PEGlushinskite x rElectron Density= 1.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Glushinskite is Not Radioactive
 

Glushinskite Classification
Help on Dana Class: Dana Class: 50.01.03.02 (50)Salts of Organic Acids
  (50.01)(Oxalates)
  (50.01.03)Humboldtine Group
 
50.01.03.01 Humboldtine Fe(C2O4)•2(H2O) I2/a 2/m
 
50.01.03.02 Glushinskite Mg(C2O4)•2(H2O) C 2/c 2/m
 
50.01.03.03 Lindbergite! Mn(C2O4)•2(H2O) C 2/c 2/m
Help on Strunz Class: Strunz Class: 10.AB.10 10 - ORGANIC COMPOUNDS
  10.A - Salts of Organic Acids
  10.AB -Oxalates
 
10.AB.10 Glushinskite Mg(C2O4)•2(H2O) C 2/c 2/m
 

Other Glushinskite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Glushinskite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Glushinskite Specimen Label here :

Glushinskite

Mg(C2O4)•2(H2O)
Dana No: 50.01.03.02 Strunz No: 10.AB.10
Locality:

 

Notes: