| Hydrophilite Mineral Data |
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- 9.2.7.1 Cotunnite PbCl2 Pnam 2/m 2/m 2/m
- 9.2.7.2 Hydrophilite CaCl2 Pnnm 2/m 2/m 2/m
General Hydrophilite Information |
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 Chemical Formula: |
CaCl2 | ||
| 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 | |||
| Empirical Formula: |
CaCl2 | ||
| Environment: |
Volcanic fumaroles. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1813 | ||
| Locality: |
Vesuvius, Italy. Link to MinDat.org Location Data. | ||
| Name Origin: |
From the Greek hydros = "water" and philos = 'friend' in allusion to the highly deliquescent nature of the mineral. | ||
| Synonym: |
ICSD 26686 | ||
| PDF 24-223 | |||
Search for Hydrophilite Images | |||
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Images:
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Hydrophilite Crystallography |
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| Axial Ratios: |
a:b:c =0.9704:1:0.6531 | ||
| Cell Dimensions: |
a = 6.24, b = 6.43, c = 4.2, Z = 2; V = 168.52 Den(Calc)= 2.19 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.49(1), 3.05(0.8), 2.33(0.6), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Hydrophilite |
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| Color: |
White. | ||
| Density: |
2.22 | ||
| Diaphaniety: |
Transparent to translucent | ||
| Habit: |
Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate. | ||
| Habit: |
Pseudo Cubic - Crystals show a cubic outline. | ||
| Habit: |
Twinning Common - Crystals are usually twinned. | ||
| Luster: |
Vitreous - Greasy | ||
| Streak: |
white | ||
Optical Properties of Hydrophilite |
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| Gladstone-Dale: |
CI meas= 0.114 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.102 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2767,KPDmeas= 0.273,KC= 0.308 |
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| 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 |
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| Electron Density: |
relectron=2.13 gm/cc |
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| Fermion Index |
Fermion Index = 0.00048 Boson Index = 0.99952 |
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| Photoelectric: |
PEHydrophilite = 8.70 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hydrophilite is Not Radioactive |
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Hydrophilite Classification |
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| Dana Class: |
9.2.7.2 (9)Anhydrous and Hydrated Halides | ||
| (9.2)where A (X)2 | |||
| (9.2.7)Dana Group | |||
| Strunz Class: |
III/A.12-00 III - Halogenides | ||
| III/A - Simple Halogenides, with water Metal : Halogen = 1 : 1 to 1 : 3 | |||
| III/A.12 - Hydrohalite - Antarcticite series | |||
Other Hydrophilite Information |
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| References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| 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 (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST Search for Hydrophilite using: Visit our Advertisers for Hydrophilite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Hydrophilite Mineral Data : Ask about Hydrophilite here : Print or Cut-and-Paste your Hydrophilite Specimen Label here :
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