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General Sinjarite Information |
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 Chemical Formula: |
CaCl2•2(H2O) | ||
| Composition: |
Molecular Weight = 147.01 gm | ||
| Calcium 27.26 % Ca 38.14 % CaO | |||
| Hydrogen 2.74 % H 24.51 % H2O | |||
| Chlorine 48.23 % Cl 48.23 % Cl | |||
| - % Cl -10.88 % -O=Cl2 | |||
| Oxygen 21.77 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
CaCl2•2(H2O) | ||
| Environment: |
Found in detritus in a wadi cutting across the Sinjar anticline. Very deliquescent. | ||
| IMA Status: |
Approved IMA 1980 | ||
| Locality: |
Sinjar, W of Mosul, Iraq. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
| Name Pronunciation: |
Sinjarite + Pronunciation  |
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| Synonym: |
Hydrophilite - antarcticite or sinjarite | ||
| ICSD 960 | |||
| PDF 1-989 | |||
Sinjarite Image | |||
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Images:
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Sinjarite Crystallography |
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| Axial Ratios: |
a:c = 1:0.81276 | ||
| Cell Dimensions: |
a = 7.21, c = 5.86, Z = 2; V = 304.63 Den(Calc)= 1.60 | ||
| Crystal System: |
TetragonalSpace Group: Unk. | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.83(1), 3.06(0.7), 2.12(0.6),4.35(0.5), 6.1(0.4), 2.16(0.2), 2.35(0.2), 2.52(0.2), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Sinjarite |
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| Cleavage: |
{???} Good, {???} Good | ||
| Color: |
Light pink. | ||
| Density: |
1.66 - 1.96, Average = 1.81 | ||
| Habit: |
Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate. | ||
| Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Hardness: |
1.5 - Between Talc and Gypsum | ||
| Luster: |
Vitreous - Resinous | ||
| Streak: |
white | ||
Optical Properties of Sinjarite |
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| Optical Data: |
Uniaxial (?), a=1.54, b=1.54, bire=0.0000. | ||
Calculated Properties of Sinjarite |
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| Electron Density: |
Bulk Density (Electron Density)=1.61 gm/cc note: Specific Gravity of Sinjarite =1.60 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.0004766179 Boson Index = 0.9995233821 |
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| Photoelectric: |
PESinjarite = 6.45 barns/electron U=PESinjarite x rElectron Density= 10.38 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Sinjarite is Not Radioactive |
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Sinjarite Classification |
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| Dana Class: |
09.02.05.01 (09)Anhydrous and Hydrated Halides | ||
| (09.02)where A (X)2 | |||
| (09.02.05)Dana Group | |||
| Strunz Class: |
03.BB.25 03 - HALIDES | ||
| 03.B - Simple Halides, with H2O | |||
| 03.BB -M:X = 1:2 | |||
Other Sinjarite 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 Sinjarite : 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 Sinjarite using: Visit our Advertisers for Sinjarite : A Bijoux Google Search for SinjariteAdam's Minerals Google Search for Sinjarite Cape Minerals Google Search for Sinjarite Dakota Matrix Minerals Google Search for Sinjarite Excalibur Mineral Corp. Google Search for Sinjarite Exceptional Minerals Google Search for Sinjarite John Betts Fine Minerals Search for Sinjarite McDougall Minerals Google Search for Sinjarite Mineral News Website Link Rock and Mineral Shows Google Search for Sinjarite Weinrich Minerals, Inc. Google Search for Sinjarite Ask about Sinjarite here : Print or Cut-and-Paste your Sinjarite Specimen Label here :
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