Antarcticite Mineral Data

Antarcticite Mineral Data
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General Antarcticite Information

Help on Chemical Formula: Chemical Formula: CaCl2•6(H2O)
Help on Composition: Composition: Molecular Weight = 219.08 gm
   Calcium   18.29 %  Ca   25.60 % CaO
   Hydrogen   5.52 %  H    49.34 % H2O
   Chlorine  32.37 %  Cl   32.37 % Cl
               -   %   Cl   -7.30 % -O=Cl2   
   Oxygen    43.82 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCl2•6(H2O)
Help on Environment: Environment: Calcium chloride rich brines at saturation in cool weather..
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Saline lakes located in the dry valleys of Antarctica. Bristol Lake, Mojave Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the continent of Antarctica.
Help on Name Pronunciation: Name Pronunciation: Antarcticite + Pronunciation Say ANTARCTICITE
Help on Synonym: Synonym: Hydrophilite - antarcticite or sinjarite
  ICSD 59142
  PDF 26-1053
 

Antarcticite Image

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Antarcticite

Comments: White antarcticite crystals in sealed in mineral oil.
Location: Bristol Lake, Mojave Co.,California, USA. Scale: Sample Jar 6 cm.
© Diederik Visser

Antarcticite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.50063
Help on Cell Dimensions: Cell Dimensions: a = 7.89, c = 3.95, Z = 1; V = 212.95 Den(Calc)= 1.71
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 321
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.16(1), 3.93(0.75), 2.78(0.63),
Click Here for Large Antarcticite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Agron P A , Busing W R , Acta Crystallographica, Section C , 42 (1986) p.141-143, Calcium and strontium dichloride hexahydrates by neutron diffraction

 

Physical Properties of Antarcticite

Help on Cleavage: Cleavage: {0001} Perfect, {1010} Very Good
Help on Color: Color: Colorless.
Help on Density: Density: 1.705 - 1.725, Average = 1.71
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Antarcticite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.495, w=1.55, bire=0.0550.
 

Calculated Properties of Antarcticite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.78 gm/cc
note: Specific Gravity of Antarcticite =1.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004655841
Boson Index = 0.9995344159
Help on Photoelectric: Photoelectric: PEAntarcticite = 4.31 barns/electron
U=PEAntarcticite x rElectron Density= 7.67 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Antarcticite is Not Radioactive
 

Antarcticite Classification
Help on Dana Class: Dana Class: 09.02.06.01 (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.06)Dana Group
 
09.02.06.01 Antarcticite CaCl2•6(H2O) P 321 3 2
Help on Strunz Class: Strunz Class: 03.BB.30 03 - HALIDES
  03.B - Simple Halides, with H2O
  03.BB -M:X = 1:2
 
03.BB.30 Antarcticite CaCl2•6(H2O) P 321 3 2
 

Other Antarcticite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Antarcticite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Antarcticite

CaCl2•6(H2O)
Dana No: 09.02.06.01 Strunz No: 03.BB.30
Locality:

 

Notes: