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General Chlorocalcite Information |
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 Chemical Formula: |
KCaCl3 | ||
| Composition: |
Molecular Weight = 185.53 gm | ||
| Potassium 21.07 % K 25.39 % K2O | |||
| Calcium 21.60 % Ca 30.22 % CaO | |||
| Chlorine 57.33 % Cl 57.33 % Cl | |||
| - % Cl -12.94 % -O=Cl2 | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
KCaCl3 | ||
| Environment: |
Volcanic sublimate. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1872 | ||
| Locality: |
Mt. Vesuvius, Campania, Italy. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the composition, which was originally thought to be chloride of calcium alone. | ||
Search for Chlorocalcite Images | |||
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Images:
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Chlorocalcite Crystallography |
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| Axial Ratios: |
a:b:c =0.7246:1:0.6958 | ||
| Cell Dimensions: |
a = 7.551, b = 10.42, c = 7.251, Z = 4; V = 570.52 Den(Calc)= 2.16 | ||
| Crystal System: |
OrthorhombicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.61(1), 3.14(0.4), 2.11(0.3),3.12(0.3), 3.7(0.3), 5.23(0.3), 2.38(0.2), 3.06(0.2), | ||
Physical Properties of Chlorocalcite |
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| Cleavage: |
{001} Perfect, {010} Good, {100} Good | ||
| Color: |
Colorless, White, Light violet. | ||
| Diaphaneity: |
Transparent | ||
| Habit: |
Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate. | ||
| Habit: |
Pseudo Cubic - Crystals show a cubic outline. | ||
| Habit: |
Tastes Bitter - Bitter taste from water soluble Mg or Ca compounds. | ||
| Hardness: |
2.5-3 - Finger Nail-Calcite | ||
| Streak: |
white | ||
Optical Properties of Chlorocalcite |
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| Optical Data: |
Biaxial (?), b=1.52 | ||
Calculated Properties of Chlorocalcite |
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| Electron Density: |
Bulk Density (Electron Density)=2.10 gm/cc note: Specific Gravity of Chlorocalcite =2.16 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.0003169067 Boson Index = 0.9996830933 |
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| Photoelectric: |
PEChlorocalcite = 8.61 barns/electron U=PEChlorocalcite x relectron= 18.04 barns/cc. |
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| Radioactivity: |
GRapi = 294.98 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Chlorocalcite |
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Chlorocalcite Classification |
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| Dana Class: |
11.01.03.01 (11)Halide Complexes; Alumino-fluorides | ||
| (11.01)where (A)m B (X)3 | |||
| (11.01.03)Dana Group | |||
| Strunz Class: |
03.AA.40 03 - HALIDES | ||
| 03.A - Simple Halides, Without H2O | |||
| 03.AA -M:X = 1:1, 2:3, 3:5, etc. | |||
Other Chlorocalcite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Larousse des Mineraux,1981) OPTIC PROP.(Larousse des Mineraux,1981) | ||
| See Also: |
Links to other databases for Chlorocalcite : 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 Search for Chlorocalcite using: Visit our Advertisers for Chlorocalcite : A Bijoux Google Search for ChlorocalciteAdam's Minerals Google Search for Chlorocalcite Cape Minerals Google Search for Chlorocalcite Dakota Matrix Minerals Google Search for Chlorocalcite Excalibur Mineral Corp. Google Search for Chlorocalcite Exceptional Minerals Google Search for Chlorocalcite John Betts Fine Minerals Search for Chlorocalcite McDougall Minerals Google Search for Chlorocalcite Mineral News Website Link Rock and Mineral Shows Google Search for Chlorocalcite Weinrich Minerals, Inc. Google Search for Chlorocalcite Ask about Chlorocalcite here : Print or Cut-and-Paste your Chlorocalcite Specimen Label here :
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- barely detectable