Mineralogy Database

Sinjarite Mineral Data

Search Webmineral :

General Sinjarite Information

Help on Chemical  Formula: Chemical Formula: CaCl2•2(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: CaCl2•2(H2O)
Help on Environment: Environment: Found in detritus in a wadi cutting across the Sinjar anticline. Very deliquescent.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Sinjar, W of Mosul, Iraq. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Sinjarite + Pronunciation Say SINJARITE
Help on Synonym: Synonym: Hydrophilite - antarcticite or sinjarite
  ICSD 960
  PDF 1-989

Sinjarite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Sinjarite specimen sealed in a glass capsule.
Location: Cheleken, Caspian Sea, Turkmenistan. Scale: Grid Size 1 mm.
© Sergey Vasiliev / Systematic Mineralogy

Sinjarite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.81276
Help on Cell Dimensions: Cell Dimensions: a = 7.21, c = 5.86, Z = 2; V = 304.63 Den(Calc)= 1.60
Help on Crystal System: Crystal System: Tetragonal Space Group: Unk.
Help on X Ray Diffraction: 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),

Physical Properties of Sinjarite

Help on Cleavage: Cleavage: {???} Good, {???} Good
Help on Color: Color: Light pink.
Help on Density: Density: 1.66 - 1.96, Average = 1.81
Help on Habit: Habit: Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white

Optical Properties of Sinjarite

Help on Optical Data: Optical Data: Uniaxial (?), a=1.54, b=1.54, bire=0.0000.

Calculated Properties of Sinjarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.61 gm/cc
note: Specific Gravity of Sinjarite =1.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004766179
Boson Index = 0.9995233821
Help on Photoelectric: Photoelectric: PESinjarite = 6.45 barns/electron
U=PESinjarite x rElectron Density= 10.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sinjarite is Not Radioactive

Sinjarite Classification

Help on  Dana Class: Dana Class: (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.05)Dana Group Sinjarite CaCl2•2(H2O) Unk. Tetra
Help on  Strunz Class: Strunz Class: 03.BB.25 03 - HALIDES
  03.B - Simple Halides, with H2O
  03.BB -M:X = 1:2
03.BB.25 Sinjarite CaCl2•2(H2O) Unk. Tetra

Other Sinjarite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Sinjarite :

Ask about Sinjarite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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


Dana No: Strunz No: 03.BB.25





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.