Camgasite Mineral Data

Camgasite Mineral Data
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General Camgasite Information

Help on Chemical Formula: Chemical Formula: CaMg(AsO4)(OH)•5(H2O)
Help on Composition: Composition: Molecular Weight = 310.39 gm
   Calcium    12.91 %  Ca   18.07 % CaO
   Magnesium   7.83 %  Mg   12.99 % MgO
   Arsenic    24.14 %  As   37.02 % As2O5
   Hydrogen    3.57 %  H    31.92 % H2O
   Oxygen     51.55 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMg(AsO4)(OH)•5(H2O)
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the composition (Ca, Mg, As).
 

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Camgasite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.2031:1:2.1323
Help on Cell Dimensions: Cell Dimensions: a = 9.18, b = 7.63, c = 16.27, Z = 4; beta = 128° V = 898.02 Den(Calc)= 2.30
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.42(1), 7.28(1), 4(0.8),
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Forms: ( 0 1 0) ( 1 0 0) ( 0 0 1)

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Physical Properties of Camgasite

Help on Cleavage: Cleavage: {100} Indistinct, {001} Indistinct
Help on Color: Color: Colorless.
Help on Density: Density: 2.4
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Camgasite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2393,KPDmeas= 0.2293,KC= 0.2324
Ncalc = 1.53 - 1.56
Help on Optical Data: Optical Data: Biaxial (+), a=1.54, b=1.548, g=1.563, bire=0.0230, 2V(Calc)=74, 2V(Meas)=74.
 

Calculated Properties of Camgasite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.41 gm/cc
note: Specific Gravity of Camgasite =2.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0082576728
Boson Index = 0.9917423272
Help on Photoelectric: Photoelectric: PECamgasite = 17.41 barns/electron
U=PECamgasite x rElectron Density= 42.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Camgasite is Not Radioactive
 

Camgasite Classification
Help on Dana Class: Dana Class: 42.07.16.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq · x(H2O)
  (42.07.16)Dana Group
 
42.07.16.01 Camgasite CaMg(AsO4)(OH)•5(H2O) P 21/m 2/m
Help on Strunz Class: Strunz Class: 08.DJ.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DJ -With large and medium-sized cations, (OH, etc.):RO4 = 1:l
 
08.DJ.15 Camgasite CaMg(AsO4)(OH)•5(H2O) P 21/m 2/m
 

Other Camgasite Information
Help on References: References: PHYS. PROP.(Am.Min.,Vol.76,p2021,1991) OPTIC PROP.(Am.Min.,Vol.76,p2021,1991)
Help on See Also: See Also: Links to other databases for Camgasite :
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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Camgasite

CaMg(AsO4)(OH)•5(H2O)
Dana No: 42.07.16.01 Strunz No: 08.DJ.15
Locality:

 

Notes: