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Calclacite Mineral Data
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General Calclacite Information
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 Chemical Formula: |
Ca[Cl2/CH3COO]•10(H2O) |
| Composition: |
Molecular Weight = 350.18 gm |
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Calcium 11.44 % Ca |
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Hydrogen 6.62 % H |
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Carbon 6.86 % C |
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Chlorine 20.25 % Cl |
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Oxygen 54.83 % O |
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______ |
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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 |
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PDF 12-869 |
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Calclacite Crystallography
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| 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 - Prismatic H-M Symbol (2/m) Space Group: P 21/a |
| X Ray Diffraction: |
By Intensity(I/Io): 2.43(1), 3.24(1), 8.27(1), |
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Physical Properties of Calclacite
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| Color: |
White. |
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Optical Properties of Calclacite
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| 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. |
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Calculated Properties of Calclacite
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| Electron Density: |
Bulk Density (Electron Density)=2.56 gm/cc
note: Specific Gravity of Calclacite =2.42 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0011821928
Boson Index = 0.9988178072 |
| Photoelectric: |
PECalclacite = 2.78 barns/electron
U=PECalclacite x rElectron Density= 7.11 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calclacite is Not Radioactive |
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Calclacite Classification
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| Dana Class: |
50.02.04.01 (50)Salts of Organic Acids |
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(50.02)(Mellitates, Citrates, Cyanates, and Acetates) |
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(50.02.04)Dana Group |
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50.02.04.01 Calclacite Ca[Cl2/CH3COO]•10(H2O) P 21/a 2/m |
| Strunz Class: |
10.AA.25 10 - ORGANIC COMPOUNDS |
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10.A - Salts of Organic Acids |
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10.AA -Formates, Acetates, etc. |
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10.AA.25 Calclacite Ca[Cl2/CH3COO]•10(H2O) P 21/a 2/m |
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Other Calclacite Information
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| 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 - 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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Print or Cut-and-Paste your Calclacite Specimen Label here :
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Calclacite
Ca[Cl2/CH3COO]•10(H2O)
Dana No: 50.02.04.01 Strunz No: 10.AA.25
Locality:
Notes:
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