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Ronneburg U deposit, Gera, Thuringia, Germany
© Thomas Witzke
|The composition is given here in analogy to the compositions of cobaltzippeite, magnesiozippeite and zinczippeite, according to Burns et al. (2003). It is not entirely certain, though, since nickelzippeite has not been part of that study.|
|System:||Monoclinic||Hardness:||5 - 5½|
Classification of Nickelzippeite
|Nickel-Strunz 10th (pending) edition ID:||7.EC.05|
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
C : With medium-sized and large cations
|Dana 8th edition ID:||220.127.116.11|
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
|Hey's CIM Ref.:||25.12.9|
25 : Sulphates
12 : Sulphates of Co and Ni
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Type Occurrence of Nickelzippeite
|Type Locality:||Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mtns (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic|
|Year of Discovery:||1976|
Physical Properties of Nickelzippeite
|Hardness (Mohs):||5 - 5½|
Crystallography of Nickelzippeite
Optical Data of Nickelzippeite
|RI values:||nα = 1.745 nβ = 1.777 nγ = 1.840|
|Maximum Birefringence:||δ = 0.095|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
|Dispersion:||r > v moderate|
Chemical Properties of Nickelzippeite
The composition is given here in analogy to the compositions of cobaltzippeite, magnesiozippeite and zinczippeite, according to Burns et al. (2003). It is not entirely certain, though, since nickelzippeite has not been part of that study.
|Essential elements:||H, Ni, O, S, U|
|All elements listed in formula:||H, Ni, O, S, U|
Relationship of Nickelzippeite to other Species
|Member of:||Zippeite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Nickelzippeite
|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 Nickelzippeite
Canadian Mineralogist (1976): 14: 429-436.
Mineralogical Magazine (1979): 43: 539.
Burns, P.C., Deely, K.M., and Hayden, L.A. (2003): The crystals chemistry of the Zippeite group. Canadian Mineralogist 41(3), 687-706.
Internet Links for Nickelzippeite
Localities for Nickelzippeite
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: Amazonite pegmatite, Laitila, Southwestern Finland Region, FinlandFrom Ilkka Mikkola, 4th Dec 2013 23:11:27