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|Name:||In honour of Georges Jouravsky (1896–1964), Chief Geologist, Geological Survey of Morocco, for his work on the mineral deposits of Morocco.|
Classification of Jouravskite
|IMA status:||Approved 1965|
|Strunz 8th edition ID:||6/D.13-30|
|Nickel-Strunz 10th (pending) edition ID:||7.DG.15|
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
|Dana 8th edition ID:||184.108.40.206|
32 : COMPOUND SULFATES
4 : Hydrated Compound Sulfates containing Hydroxyl or Halogen
|Hey's CIM Ref.:||12.2.17|
12 : Carbonates with other anions
2 : Carbonates with sulphate
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Type Occurrence of Jouravskite
|Type Locality:||Tachgagalt Mine, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco|
|Year of Discovery:||1965|
Physical Properties of Jouravskite
Crystallography of Jouravskite
|Cell Parameters:||a = 11.06Å, c = 10.5Å|
|Ratio:||a:c = 1 : 0.949|
|Unit Cell Volume:||V 1,112.32 Å³ (Calculated from Unit Cell)|
Optical Data of Jouravskite
|RI values:||nω = 1.556 nε = 1.540|
|Maximum Birefringence:||δ = 0.016|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Jouravskite
|Essential elements:||Ca, H, Mn, O, S|
|All elements listed in formula:||C, Ca, H, Mn, O, S|
Relationship of Jouravskite to other Species
|Member of:||Ettringite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Jouravskite
|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 Jouravskite
American Mineralogist (1965): 50: 2102.
Acta Crystallographica: B25: 1943-1951.
Internet Links for Jouravskite
Localities for Jouravskite
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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