Mineralogy Database

Calclacite Mineral Data

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General Calclacite Information

Help on Chemical  Formula: Chemical Formula: Ca[Cl2/CH3COO]•10(H2O)
Help on Composition: Composition: Molecular Weight = 350.18 gm
   Calcium   11.44 %  Ca
   Hydrogen   6.62 %  H
   Carbon     6.86 %  C
   Chlorine  20.25 %  Cl
   Oxygen    54.83 %  O
            100.00 % 
Help on Empirical Formula: Empirical Formula: CaCl2C2H3O2•10(H2O)
Help on Environment: Environment: Found in oak museum cases, encrusting Ca-rich specimens with the acetic acid derived from oak wood.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1945
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition Ca, Cl, and acetete.
Help on Name Pronunciation: Name Pronunciation: Calclacite + Pronunciation Say CALCLACITE
Help on Synonym: Synonym: ICSD 76894
  PDF 12-869

Calclacite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7587:1:0.497
Help on Cell Dimensions: Cell Dimensions: a = 10.41, b = 13.72, c = 6.82, Z = 4; beta = 99.1° V = 961.81 Den(Calc)= 2.42
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.43(1), 3.24(1), 8.27(1),

Physical Properties of Calclacite

Help on Color: Color: White.

Optical Properties of Calclacite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.324 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2021,KC= 0.2988
Ncalc = 1.72
Help on Optical Data: Optical Data: Biaxial (+), a=1.468, b=1.484, g=1.515, bire=0.0470, 2V(Calc)=74, 2V(Meas)=80.

Calculated Properties of Calclacite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.56 gm/cc
note: Specific Gravity of Calclacite =2.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0011821928
Boson Index = 0.9988178072
Help on Photoelectric: Photoelectric: PECalclacite = 2.78 barns/electron
U=PECalclacite x rElectron Density= 7.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calclacite is Not Radioactive

Calclacite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.02)(Mellitates, Citrates, Cyanates, and Acetates)
  (50.02.04)Dana Group Calclacite Ca[Cl2/CH3COO]•10(H2O) P 21/a 2/m
Help on  Strunz Class: Strunz Class: 10.AA.25 10 - ORGANIC COMPOUNDS
  10.A - Salts of Organic Acids
  10.AA -Formates, Acetates, etc.
10.AA.25 Calclacite Ca[Cl2/CH3COO]•10(H2O) P 21/a 2/m

Other Calclacite Information

Help on References: References: NAME( Dana8) 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 Calclacite :
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: 10.AA.25