Calclacite Mineral Data

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

IMA Status:

Valid Species (Pre-IMA) 1945

Locality:

Link to MinDat.org Location Data.

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

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:

r_electron=2.56 gm/cc
note: r_Calclacite=2.42 gm/cc.

Fermion Index

Fermion Index = 0.00118
Boson Index = 0.99882

Photoelectric:

PE_Calclacite= 2.78 barns/electron
U=PE_Calclacite x r_electron= 7.11 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Calclacite is Not Radioactive

Calclacite Classification

Dana Class:

50.2.4.1 (50)Salts of Organic Acids

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

(50.2.4)Dana Group

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

Strunz Class:

IX/A.02-20 IX - Organic compunds

IX/A - Salts from organic acids. Other organic salts, a.o. mellates and citrates.

IX/A.02 - Mellite - Abelsonite (?) series

IX/A.02-03 Dashkovaite! Mg(HCOO)2·2(H2O) P 2₁/c 2/m

IX/A.02-05 Formicaite! Ca(HCOO)2 P 4₁2₁2 4 2 2

IX/A.02-10 Mellite Al2[C6(COO)6]·16(H2O) P 4₁22,P 4₃22 4 2 2

IX/A.02-16 Hoganite! Cu(CH3COO)2·H2O C 2/c 2/m

IX/A.02-18 Paceite! CaCu(CH3COO)4·6(H2O) I 4/m 4/m

IX/A.02-20 Calclacite Ca[Cl2/CH3COO]·10(H2O) P 2₁/a 2/m

IX/A.02-30 Earlandite Ca3(C6H5O7)·4(H2O) Unk Mono

IX/A.02-40 Kafehydrocyanite* K4Fe(CN)6·3(H2O) I 4₁/a 4/m

IX/A.02-50 Julienite* Na2Co(SCN)4·8(H2O) P 4₁/n 4/m

IX/A.02-60 Abelsonite NiC31H32N4 P1 or P1 Tri

Other Calclacite Information

References:

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Calclacite

Ca[Cl2/CH3COO]·10(H2O)
Dana No: 50.2.4.1 Strunz No: IX/A.02-20
Locality:

Notes: