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Charmarite-2H Mineral Data

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General Charmarite-2H Information

Help on Chemical  Formula: Chemical Formula: Mn++4Al2(CO3)(OH)12•3(H2O)
Help on Composition: Composition: Molecular Weight = 591.86 gm
   Manganese  37.13 %  Mn   47.94 % MnO
   Aluminum    9.12 %  Al   17.23 % Al2O3
   Hydrogen    3.07 %  H    27.39 % H2O
   Carbon      2.03 %  C     7.44 % CO2
   Oxygen     48.66 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+4Al2(CO3)(OH)12•3(H2O)
Help on Environment: Environment: In silicate and carbonate cavities and in pegmatites in nepheline syenite. The Mn-dominant analogue of caresite and quintinite.
Help on IMA Status: IMA Status: Approved IMA 1995
Help on Locality: Locality: Mt. St.-Hilaire, QUE, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Charles (1917-) and Marcelle (1918-) Weber, amateur mineralogist of Guilford, CT, who contributed extensively to the knowledge of Mt. St.-Hilaire and also found the minera l.
Help on Synonym: Synonym: IMA1992-026
 

Charmarite-2H Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.3746
Help on Cell Dimensions: Cell Dimensions: a = 10.985, c = 15.1, Z = 4; V = 1,578.00 Den(Calc)= 2.49
Help on Crystal System: Crystal System: Hexagonal - Trapezohedral H-M Symbol (6 2 2) Space Group: P 6322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.53(1), 3.768(0.6), 2.578(0.5),
 

Physical Properties of Charmarite-2H

Help on Color: Color: Orange brown, Pale brown, Pale blue, Colorless.
Help on Density: Density: 2.5
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Charmarite-2H

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.051 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2277,KPDmeas= 0.2268,KC= 0.2389
Ncalc = 1.59 - 1.6
Help on Optical Data: Optical Data: Uniaxial (-), e=1.547, w=1.587, bire=0.0400.
 

Calculated Properties of Charmarite-2H

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.47 gm/cc
note: Specific Gravity of Charmarite-2H =2.49 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004613895
Boson Index = 0.9995386105
Help on Photoelectric: Photoelectric: PECharmarite-2H = 9.61 barns/electron
U=PECharmarite-2H x rElectron Density= 23.78 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Charmarite-2H is Not Radioactive
 

Charmarite-2H Classification

Help on  Dana Class: Dana Class: 16b.06.04.04 (16b)Carbonates - Hydroxyl or Halogen
  (16b.06)Dana Type
  (16b.06.04)Quintinite - Charmarite Group
 
16b.06.04.01 Quintinite-2H Mg4Al2(OH)12CO3•4(H2O) P 6322 6 2 2
 
16b.06.04.02 Quintinite-3T Mg4Al2(OH)12CO3•4(H2O) P 3112,P 3212 3 2
 
16b.06.04.03 Caresite Fe4Al2(OH)12CO3•3(H2O) P 3112 or P 3212 3 2
 
16b.06.04.04 Charmarite-2H Mn4Al2(CO3)(OH)12•3(H2O) P 6322 6 2 2
 
16b.06.04.05 Charmarite-3T Mn4Al2(CO3)(OH)12•3(H2O) P 3112 3 2
Help on  Strunz Class: Strunz Class: 05.DA.40 05 - CARBONATES (NITRATES)
  05.D - Carbonates with Additional Anions, with H2O
  05.DA -With medium-sized cations
 
05.DA.40 Charmarite-3T Mn4Al2(CO3)(OH)12•3(H2O) P 3112 3 2
 
05.DA.40 Charmarite-2H Mn4Al2(CO3)(OH)12•3(H2O) P 6322 6 2 2
 
05.DA.40 Caresite Fe4Al2(OH)12CO3•3(H2O) P 3112 or P 3212 3 2
 
05.DA.40 Quintinite-2H Mg4Al2(OH)12CO3•4(H2O) P 6322 6 2 2
 
05.DA.40 Quintinite-3T Mg4Al2(OH)12CO3•4(H2O) P 3112,P 3212 3 2
 

Other Charmarite-2H Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.83,p1347,1998) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Charmarite-2H :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Charmarite-2H Specimen Label here :

Charmarite-2H

Mn++4Al2(CO3)(OH)12•3(H2O)
Dana No: 16b.06.04.04 Strunz No: 05.DA.40
Locality:

 

Notes:

 

 
   
 


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