Calclacite Mineral Data

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General Calclacite Information

Chemical Formula:

Ca[Cl2/CH3COO]•10(H2O)

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 %

Empirical Formula:

CaCl₂C₂H₃O₂•10(H₂O)

Environment:

Found in oak museum cases, encrusting Ca-rich specimens with the acetic acid derived from oak wood.

IMA Status:

Valid Species (Pre-IMA) 1945

Locality:

Link to MinDat.org Location Data.

Name Origin:

Named for the composition Ca, Cl, and acetete.

Name Pronunciation:

Calclacite + Pronunciation

Synonym:

ICSD 76894

PDF 12-869

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Calclacite Crystallography

Axial Ratios:

a:b:c =0.7587:1:0.497

Cell Dimensions:

a = 10.41, b = 13.72, c = 6.82, Z = 4; beta = 99.1° V = 961.81 Den(Calc)= 2.42

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/a

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.43(1), 3.24(1), 8.27(1),

Physical Properties of Calclacite

Color:

White.

Optical Properties of Calclacite

Gladstone-Dale:

CI calc= 0.324 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2021,KC= 0.2988
Ncalc = 1.72

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

Electron Density:

Bulk Density (Electron Density)=2.56 gm/cc
note: Specific Gravity of Calclacite =2.42 gm/cc.

Fermion Index:

Fermion Index = 0.0011821928
Boson Index = 0.9988178072

Photoelectric:

PE_Calclacite= 2.78 barns/electron
U=PE_Calclacite x rElectron Density= 7.11 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calclacite is Not Radioactive

Calclacite Classification

Dana Class:

50.02.04.01 (50)Salts of Organic Acids

(50.02)(Mellitates, Citrates, Cyanates, and Acetates)

(50.02.04)Dana Group

50.02.04.01 Calclacite Ca[Cl2/CH3COO]•10(H2O) P 2₁/a 2/m

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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 - 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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Print or Cut-and-Paste your Calclacite Specimen Label here :

Calclacite

Ca[Cl2/CH3COO]•10(H2O)
Dana No: 50.02.04.01 Strunz No: 10.AA.25
Locality:

Notes: