Hydrohalite Mineral Data + 
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- 9.1.2.1 Hydrohalite NaCl·2(H2O) P 21/c 2/m
- III/A.12-10 Hydrohalite NaCl·2(H2O) P 21/c 2/m
- III/A.12-20 Eriochalcite CuCl2·2(H2O) Pbmn 2/m 2/m 2/m
- III/A.12-30 Bischofite MgCl2·6(H2O) C 2/m 2/m
- III/A.12-40 Nickelbischofite NiCl2·6(H2O) C 2/m 2/m
- III/A.12-50 Rokuhnite FeCl2·(H2O) C 2/m 2/m
- III/A.12-70 Sinjarite CaCl2·2(H2O) Unk. Tetra
- III/A.12-80 Antarcticite CaCl2·6(H2O) P 321 3 2
General Hydrohalite Information |
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 Chemical Formula: |
NaCl·2(H2O) | ||
| Composition: |
Molecular Weight = 94.47 gm | ||
| Sodium 24.33 % Na 32.80 % Na2O | |||
| Hydrogen 4.27 % H 38.14 % H2O | |||
| Chlorine 37.53 % Cl 37.53 % Cl | |||
| - % Cl -8.47 % -O=Cl2 | |||
| Oxygen 33.87 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
NaCl·2(H2O) | ||
| Environment: |
Halite saturated brines in cold weather (-5 deg. C). | ||
| IMA Status: |
Valid Species (Pre-IMA) 1847 | ||
| Locality: |
Salzburg, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for its water content and similarity to halite in composition. | ||
| Synonym: |
ICSD 2313 | ||
| PDF 29-1197 | |||
Search for Hydrohalite Images | |||
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Images:
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Hydrohalite Crystallography |
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| Axial Ratios: |
a:b:c =0.6257:1:0.6427 | ||
| Cell Dimensions: |
a = 6.331, b = 10.118, c = 6.503, Z = 4; beta = 114.4° V = 379.36 Den(Calc)= 1.65 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.52(1), 2.67(1), 2.98(1), | ||
Physical Properties of Hydrohalite |
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| Color: |
Colorless, White. | ||
| Density: |
1.605 - 1.63, Average = 1.61 | ||
| Diaphaniety: |
Transparent | ||
Optical Properties of Hydrohalite |
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| Optical Data: |
NCalc= 1.51 - from Gladstone-Dale relationship (KC = 0.3106) where Ncalc=Dcalc*KC+1 NCalc= 1.5 - from Gladstone-Dale relationship (KC = 0.3106) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Hydrohalite |
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| Electron Density: |
relectron=1.68 gm/cc |
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| Fermion Index |
Fermion Index = 0.00016 Boson Index = 0.99984 |
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| Photoelectric: |
PEHydrohalite = 2.85 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hydrohalite is Not Radioactive |
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Hydrohalite Classification |
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| Dana Class: |
9.1.2.1 (9)Anhydrous and Hydrated Halides | ||
| (9.1)where A X | |||
| (9.1.2)Dana Group | |||
| Strunz Class: |
III/A.12-10 III - Halogenides | ||
| III/A - Simple Halogenides, with water Metal : Halogen = 1 : 1 to 1 : 3 | |||
| III/A.12 - Hydrohalite - Antarcticite series | |||
Other Hydrohalite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Hydrohalite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 - Mineral and Gemstone Kingdom 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Hydrohalite using: Visit our Advertisers for Hydrohalite : AA Mineral SpecimensB & L Fine Minerals 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 T G Fine Minerals Wrights Rock Shop Translate Hydrohalite Mineral Data : Ask about Hydrohalite here : Print or Cut-and-Paste your Hydrohalite Specimen Label here :
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