Hydrophilite Mineral Data

Hydrophilite Mineral Data
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General Hydrophilite Information

Help on Chemical Formula: Chemical Formula: CaCl2
Help on Composition: Composition: Molecular Weight = 110.98 gm
   Calcium   36.11 %  Ca   50.53 % CaO
   Chlorine  63.89 %  Cl   63.89 % Cl
               -   %  Cl  -14.42 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCl2
Help on Environment: Environment: Found with anhydrite, gypsum and halite. Hydrophillite (1813) was inadequately characterized and is probably antarcticite or sinjarite.
Help on IMA Status: IMA Status: Discredited IMA 2006
Help on Locality: Locality: Luneberg, Hannover, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek hydros = "water" and philos = 'friend' in allusion to the highly deliquescent nature of the mineral.
Help on Synonym: Synonym: ICSD 26686
  PDF 24-223
 

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Hydrophilite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9704:1:0.6531
Help on Cell Dimensions: Cell Dimensions: a = 6.24, b = 6.43, c = 4.2, Z = 2; V = 168.52 Den(Calc)= 2.19
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.05(1), 4.48(0.9), 2.33(0.5),2.86(0.4), 1.91(0.3), 2.24(0.3), 2.36(0.3), 2.08(0.2),
Click Here for Large Hydrophilite Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York, Note: distorted rutile structure

 

Physical Properties of Hydrophilite

Help on Color: Color: White.
Help on Density: Density: 2.22
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate.
Help on Habit: Habit: Pseudo Cubic - Crystals show a cubic outline.
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Hydrophilite

Help on Optical Data: Optical Data: Biaxial (+), a=1.6, b=1.605, g=1.613, bire=0.0130, 2V(Calc)=78, 2V(Meas)=50.
 

Calculated Properties of Hydrophilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.13 gm/cc
note: Specific Gravity of Hydrophilite =2.19 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000487508
Boson Index = 0.999512492
Help on Photoelectric: Photoelectric: PEHydrophilite = 8.70 barns/electron
U=PEHydrophilite x rElectron Density= 18.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydrophilite is Not Radioactive
 

Hydrophilite Classification
Help on Dana Class: Dana Class: 09.02.07.02 (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.07)Cotunnite Group
 
09.02.07.01 Cotunnite PbCl2 Pnam 2/m 2/m 2/m
 
09.02.07.02 Hydrophilite? CaCl2 Pnnm 2/m 2/m 2/m
 
09.02.07.03 Coccinite! HgI2(?) P 41/nmc 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 03.XX.00 03 - Halogenides
  03.X - Unclassified Strunz Halogenides
  03.XX -Chloride
 
03.XX.00 Hydrophilite? CaCl2 Pnnm 2/m 2/m 2/m
 
03.XX.00 Hydromolysite? FeCl3•6(H2O) C 2/m 2/m
 
03.XX.00 Lorettoite? Pb7O6Cl2 pseudo-TET Ortho
 
03.XX.00 Yttrocerite* CaF2(Y,Ce)F3 Unk Cubic
 
03.XX.00 IMA2009-014 SrF2 F m3m 4/m 3 2/m
 
03.XX.00 IMA2009-015 NaSrCeF6 P 63/m 6/m
 

Other Hydrophilite Information
Help on References: References: NAME( Ford32) 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 Hydrophilite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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

Hydrophilite

CaCl2
Dana No: 09.02.07.02 Strunz No: 03.XX.00
Locality:

 

Notes: