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|Name:||As a hydrate of halite.|
Often found in fluid inclusions.
Melts under its own vapor pressure at –0.1 °C, converting to halite.
Classification of Hydrohalite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||3/A.12-10|
|Nickel-Strunz 10th (pending) edition ID:||3.BA.05|
3 : HALIDES
B : Simple halides, with H2O
A : M:X = 1:1 and 2:3
|Dana 8th edition ID:||184.108.40.206|
9 : NORMAL HALIDES
1 : AX
|Hey's CIM Ref.:||8.1.4|
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
1 : Halides of the alkali metals and ammonium
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Type Occurrence of Hydrohalite
|Type Locality:||Rock salt deposit, Dürrnberg, Hallein, Salzburg, Austria|
|Year of Discovery:||1847|
Crystallography of Hydrohalite
Chemical Properties of Hydrohalite
|Simplified for copy/paste:||NaCl·2H2O|
|Essential elements:||Cl, H, Na, O|
|All elements listed in formula:||Cl, H, Na, O|
Relationship of Hydrohalite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Hydrohalite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Hydrohalite
Hausmann (1847): 1458.
Quenstedt (1877): 623.
Poljenov (1909) Jb. Min.: II: 12.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 15.
Acta Crystallographica: B30: 2363-2371.
Internet Links for Hydrohalite
Localities for Hydrohalite
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Hangha, Kenema District, Eastern Province, Sierra LeoneFrom Dana Slaughter, 24th Jul 2014 03:40:45