This page is currently not sponsored. Click here to sponsor this page.
|Name:||In allusion to its composition, with dominant cobalt, and its relationship to Zippeite.|
This page provides mineralogical data about Cobaltzippeite.
Classification of Cobaltzippeite
|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:||22.214.171.124|
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
|Hey's CIM Ref.:||25.12.2|
25 : Sulphates
12 : Sulphates of Co and Ni
Please feel free to link to this page.
Type Occurrence of Cobaltzippeite
|Type Locality:||Happy Jack Mine (Blue Dike Mine), Copper Point, White Canyon, White Canyon District, San Juan Co., Utah, USA|
|Year of Discovery:||1976|
Physical Properties of Cobaltzippeite
|Density (calculated):||4.948 g/cm3|
Crystallography of Cobaltzippeite
|Class (H-M):||2/m - Prismatic|
|Space Group Setting:||C2/m|
|Cell Parameters:||a = 8.650(4) Å, b = 14.252(9) Å, c = 17.742(10) Å|
β = 104.092(19)°
|Ratio:||a:b:c = 0.607 : 1 : 1.245|
|Unit Cell Volume:||V 2,121.41 Å³ (Calculated from Unit Cell)|
Optical Data of Cobaltzippeite
|RI values:||nα = 1.747 nβ = 1.779 nγ = 1.840|
|Maximum Birefringence:||δ = 0.093|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
|Dispersion:||r > v|
Chemical Properties of Cobaltzippeite
|Simplified for copy/paste:||Co(UO2)2(SO4)O2·3.5H2O|
|Essential elements:||Co, H, O, S, U|
|All elements listed in formula:||Co, H, O, S, U|
Relationship of Cobaltzippeite 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 Cobaltzippeite
|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 Cobaltzippeite
Canadian Mineralogist: 14: 429-436.
Burns, P.C., Deely, K.M., and Hayden, L.A. (2003): The crystals chemistry of the Zippeite group. Canadian Mineralogist 41(3), 687-706.
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist 43, 1839-1894.
Internet Links for Cobaltzippeite
Localities for Cobaltzippeite
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.