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Metaswitzerite Mineral Data

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General Metaswitzerite Information

Help on Chemical  Formula: Chemical Formula: Mn3(PO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 426.82 gm
   Manganese   38.61 %  Mn   49.86 % MnO
   Phosphorus  14.51 %  P    33.26 % P2O5
   Hydrogen     1.89 %  H    16.88 % H2O
   Oxygen      44.98 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+3(PO4)2•4(H2O)
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Foote Quarry, Kings Mountain, Cleveland County, North Carolina, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the lower hydrate of switzerite.
Help on Name Pronunciation: Name Pronunciation: Metaswitzerite + Pronunciation Say METASWITZERITE
Help on Synonym: Synonym: ICSD 100236
  PDF 20-713

Metaswitzerite Image

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Comments: Bladed crystalline sprays of milk chocolate-colored metaswitzerite crystals.
Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Metaswitzerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.347:1:0.6524
Help on Cell Dimensions: Cell Dimensions: a = 17.099, b = 12.694, c = 8.282, Z = 8; beta = 95.917° V = 1,788.07 Den(Calc)= 3.17
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.55(1), 2.585(0.6), 7.128(0.4),

Physical Properties of Metaswitzerite

Help on Cleavage: Cleavage: {100} Perfect, {010} Distinct
Help on Color: Color: Brown, Golden brown, Light yellow brown, Light pink.
Help on Density: Density: 2.95
Help on Fracture: Fracture: Micaceous - Fracture of flexable micaceous cleavage fragments.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Pearly
Help on Streak: Streak: white

Optical Properties of Metaswitzerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.096 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1958,KPDmeas= 0.2104,KC= 0.2165
Ncalc = 1.64 - 1.69
Help on Optical Data: Optical Data: Biaxial (-), a=1.602, b=1.628, g=1.632, bire=0.0300, 2V(Calc)=42, 2V(Meas)=42.

Calculated Properties of Metaswitzerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.89 gm/cc
note: Specific Gravity of Metaswitzerite =2.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002187491
Boson Index = 0.9997812509
Help on Photoelectric: Photoelectric: PEMetaswitzerite = 10.49 barns/electron
U=PEMetaswitzerite x rElectron Density= 30.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metaswitzerite is Not Radioactive

Metaswitzerite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 � x(H2O)
  (40.03.05)Ludlamite Group Ludlamite (Fe,Mg,Mn)3(PO4)2•4(H2O) P 21/a 2/m Metaswitzerite Mn3(PO4)2•4(H2O) P 2/a 2/m Sterlinghillite Mn3(AsO4)2•3(H2O) Mono Mono Switzerite (Mn,Fe)3(PO4)2•7(H2O) P 21/a 2/m
Help on  Strunz Class: Strunz Class: 08.CE.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CE -With only medium-sized cations, RO4:H2O � 1:2.5
08.CE.25 Metaswitzerite Mn3(PO4)2•4(H2O) P 2/a 2/m
08.CE.25 Switzerite (Mn,Fe)3(PO4)2•7(H2O) P 21/a 2/m

Other Metaswitzerite Information

Help on References: References: 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 Metaswitzerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 08.CE.25





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