Lindbergite Mineral Data

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General Lindbergite Information

Help on Chemical  Formula: Chemical Formula: Mn(C2O4)·2(H2O)
Help on Composition: Composition: Molecular Weight = 185.59 gm
   Sodium      0.12 %  Na    0.17 % Na2O
   Manganese  32.86 %  Mn   42.43 % MnO
   Aluminum    0.15 %  Al    0.27 % Al2O3
   Hydrogen    2.34 %  H    20.87 % H2O
   Carbon     12.56 %  C    37.64 % C2O3
   Oxygen     51.98 %  O
             ______        ______ 
             100.00 %      101.38 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+1.11Na0.01Al0.01(C2O4)0.97·2.15(H2O)
Help on Environment: Environment: Secondary mineral in a granitic pegmatite. Thought to be pseudomorphous after the tri-hydrate. Mn analogue of humboldtine (oxalate)
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Boca Rica mine, Galileit, Minas Gerais, Brazil Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Marie Louise Lindburg-Smith (1918-), USGS scientist who described several new species from the mine.
Help on Synonym: Synonym: IMA2003-029
 

Lindbergite Image

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Lindbergite   Rockbridgeite

Comments: Rare organic mineral - lindbergite (Mn dihydrate oxalate) in white patches on rockbridgeite matrix.
Location: Boca Rica mine, Sapucaia do Norte, Gilileia, Minas Gerais, Brazil. Scale: Spot size 1 mm.
© Tom Loomis / Dakota Matrix

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Lindbergite

Comments: Secondary electron image of interlocked irregularly contoured platelets of lindbergite. (AmMin v 89, p 1088).
Location: Boca Rica mine, Sapucaia do Norte, Gilileia, Minas Gerais, Brazil. Scale: See Image.
© American Mineralogist

Lindbergite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1226:1:1.7697
Help on Cell Dimensions: Cell Dimensions: a = 11.955, b = 5.632, c = 9.967, Z = 4; beta = 128.34° V = 526.36 Den(Calc)= 2.34
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): 4.813(1)(202), 4.704(0.84)(200), 2.998(0.58)(402),4.861(0.26)(111), 3.909(0.23)(002), 3.626(0.22)(111),
 

Physical Properties of Lindbergite

Help on Cleavage: Cleavage: [010] Perfect
Help on Color: Color: White, Grayish white.
Help on Density: Density: 2.1
Help on Diaphaniety: Diaphaniety: Transparent
Help on Fracture: Fracture: Friable - The crumbly disintegration of earthy materials or highly fractured minerals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Pseudomorphous - Occurs in the form of another mineral.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Lindbergite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.659 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.488 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2313,KPDmeas= 0.2578,KC= 0.1554
Help on Optical Data: Optical Data: Biaxial (-), a=1.424, b=1.55, g=1.65, bire=0.2260, 2V(Calc)=76, 2V(Meas)=80. Dispersion r > v very weak.
 

Calculated Properties of Lindbergite

Help on Electron Density: Electron Density:

relectron=2.32 gm/cc
note: rLindbergite =2.34 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00163
Boson Index = 0.99837
Help on Photoelectric: Photoelectric:

PELindbergite = 8.37 barns/electron
U=PELindbergite x relectron= 19.46 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Lindbergite is Not Radioactive

 

Lindbergite Classification

Help on  Dana Class: Dana Class: 50.1.3.3 (50)Salts of Organic Acids
  (50.1)(Oxalates)
  (50.1.3)Dana Group
 
50.1.3.1 Humboldtine Fe(C2O4)·2(H2O) I2/a 2/m
 
50.1.3.2 Glushinskite Mg(C2O4)·2(H2O) C 2/c 2/m
 
50.1.3.3 Lindbergite ! Mn(C2O4)·2(H2O) C 2/c 2/m
Help on  Strunz Class: Strunz Class: IX/A.01-55 IX - Organic compunds
  IX/A - Oxalates. Salts from organic acids. [C2O4]2- arranged after increasing cation size
  IX/A.01 - Whewellite - Wheatleyite series
 
IX/A.01-05 Natroxalate! Na2C2O4 P 21/a 2/m
 
IX/A.01-10 Whewellite Ca(C2O4)·(H2O) P 21/n 2/m
 
IX/A.01-20 Weddellite Ca(C2O4)·2(H2O) I 4/m 4/m
 
IX/A.01-25 Caoxite! Ca(C2O4)·3(H2O) P1 1
 
IX/A.01-28 Novgorodovaite! Ca2(C2O4)Cl2·2(H2O) I2/m 2/m
 
IX/A.01-30 Oxammite (NH4)2(C2O4)·(H2O) P 21212 2 2 2
 
IX/A.01-40 Glushinskite Mg(C2O4)·2(H2O) C 2/c 2/m
 
IX/A.01-50 Humboldtine Fe(C2O4)·2(H2O) I2/a 2/m
 
IX/A.01-55 Lindbergite Mn(C2O4)·2(H2O) C 2/c 2/m
 
IX/A.01-60 Minguzzite K3Fe(C2O4)3·3(H2O) P 21/c 2/m
 
IX/A.01-70 Zhemchuzhnikovite NaMg(Al,Fe)(C2O4)3·8(H2O) Unk Trig
 
IX/A.01-80 Stepanovite NaMgFe(C2O4)3·8-9(H2O) Unk Trig
 
IX/A.01-90 Moolooite Cu(C2O4)·n(H2O)(n<1) Unk Ortho
 
IX/A.01-100 Wheatleyite Na2Cu(C2O4)2·2(H2O) P1 1
 
IX/A.01-110 Coskrenite-(Ce)! (Ce,Nd,La)2(SO4)2(C2O4)·8(H2O) C 2/c 2/m
 
IX/A.01-120 Levinsonite-(Y)! (Y,Nd,La)Al(SO4)2(C2O4)·12(H2O) P 2/n 2/m
 
IX/A.01-130 Zugshunstite-(Ce)! (Ce,Nd,La)Al(SO4)2(C2O4)·8(H2O) C 2/c 2/m
 

Other Lindbergite Information

Help on References: References: NAME( AmMin, v 89, p 1087) PHYS. PROP.(AmMin, v 89, p 1087) OPTIC PROP.(AmMin, v 89, p 1087)
Help on See Also: See Also: Links to other databases for Lindbergite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Lindbergite

Mn(C2O4)·2(H2O)
Dana No: 50.1.3.3 Strunz No: IX/A.01-55
Locality:

 

Notes:

 

 
   
 
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