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Cobaltkieserite

Formula:
CoSO
 
4
·H
 
2
O
System:MonoclinicColour:Pink
Hardness:2 - 3
This page provides mineralogical data about Cobaltkieserite.

Classification of Cobaltkieserite

IMA status:Approved 2002
Nickel-Strunz 10th (pending) edition ID:7.CB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
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Type Occurrence of Cobaltkieserite

Type Locality:Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
General Appearance of Type Material:Euhedral crystals 0.5-3µm
Year of Discovery:2002
Geological Setting of type material:In a dark, dense quartzitic rock.
Associated Minerals at type locality:
ScoroditeQuartzPyriteGarnet GroupErythrite
CobaltiteChalcopyrite

Physical Properties of Cobaltkieserite

Lustre:Earthy
Colour:Pink
Hardness (Mohs):2 - 3
Hardness Data:Measured
Density (calculated):3.28 g/cm3

Crystallography of Cobaltkieserite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b (B1 1 2/b) [C2/c] {C1 2/c 1}
Cell Parameters:a = 6.98Å, b = 7.588Å, c = 7.639Å
β = 118.65°
Ratio:a:b:c = 0.92 : 1 : 1.007
Unit Cell Volume:V 355.06 ų
Z:4
Morphology:Euhedral, thick tablular to "bipyramidal" habit.
X-Ray Powder Diffraction:
d-spacingIntensity
4.829 (33)
3.405 (100)
3.339 (34)
3.291 (32)
3.062 (56)
2.567 (30)

Optical Data of Cobaltkieserite

Type:Biaxial (+)

Chemical Properties of Cobaltkieserite

Formula:
CoSO
 
4
·H
 
2
O
All elements listed in formula:Co, H, O, S
Analyical Data:Means of 20 sets of electron microprobe data. H2O calculated
CoO 42.7
FeO 0.2
SiO2 0.3
As2O5 4.3
SO3 4.2
H2O (10.5)

Total 102.2 wt.%
Empirical Formula:
Co
 
0.98
(S
 
0.95
As
 
0.06
Si
 
0.01
)
 
Σ1.02
O
 
4.00
·1.00H
 
2
O

Relationship of Cobaltkieserite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
·H
 
2
O
7.CB.05Gunningite
(Zn,Mn)SO
 
4
·H
 
2
O
7.CB.05Kieserite
MgSO
 
4
·H
 
2
O
7.CB.05Poitevinite
(Cu,Fe,Zn)SO
 
4
·H
 
2
O
7.CB.05Szmikite
MnSO
 
4
·H
 
2
O
7.CB.05Szomolnokite
FeSO
 
4
·H
 
2
O
7.CB.10Bonattite
CuSO
 
4
·3H
 
2
O
7.CB.15Aplowite
(Co,Mn,Ni)SO
 
4
·4H
 
2
O
7.CB.15Boyleite
(Zn,Mg)SO
 
4
·4H
 
2
O
7.CB.15Ilesite
(Mn,Zn,Fe)SO
 
4
·4H
 
2
O
7.CB.15Rozenite
FeSO
 
4
·4H
 
2
O
7.CB.15Starkeyite
MgSO
 
4
·4H
 
2
O
7.CB.15IMA2002-034
CdSO
 
4
·4H
 
2
O
7.CB.20Chalcanthite
CuSO
 
4
·5H
 
2
O
7.CB.20Jôkokuite
MnSO
 
4
·5H
 
2
O
7.CB.20Pentahydrite
MgSO
 
4
·5H
 
2
O
7.CB.20Sanderite
MgSO
 
4
·2H
 
2
O
7.CB.20Siderotil
FeSO
 
4
·5H
 
2
O
7.CB.25Bianchite
(Zn,Fe)SO
 
4
·6H
 
2
O
7.CB.25Chvaleticeite
(Mn,Mg)SO
 
4
·6H
 
2
O
7.CB.25Ferrohexahydrite
FeSO
 
4
·6H
 
2
O
7.CB.25Hexahydrite
MgSO
 
4
·6H
 
2
O
7.CB.25Moorhouseite
(Co,Ni,Mn)SO
 
4
·6H
 
2
O
7.CB.25Nickelhexahydrite
(Ni,Mg,Fe)SO
 
4
·6H
 
2
O
7.CB.30Retgersite
NiSO
 
4
·6H
 
2
O
7.CB.35Bieberite
CoSO
 
4
·7H
 
2
O
7.CB.35Boothite
CuSO
 
4
·7H
 
2
O
7.CB.35Mallardite
MnSO
 
4
·7H
 
2
O
7.CB.35Melanterite
FeSO
 
4
·7H
 
2
O
7.CB.35Zincmelanterite
(Zn,Cu,Fe)SO
 
4
·7H
 
2
O
7.CB.35Alpersite
(Mg,Cu)[SO
 
4
] · 7H
 
2
O
7.CB.40Epsomite
MgSO
 
4
·7H
 
2
O
7.CB.40Goslarite
ZnSO
 
4
·7H
 
2
O
7.CB.40Morenosite
NiSO
 
4
·7H
 
2
O
7.CB.45Alunogen
Al
 
2
(SO
 
4
)
 
3
·17H
 
2
O
7.CB.45Meta-alunogen
Al
 
2
(SO
 
4
)
 
3
·12H
 
2
O
7.CB.55Coquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
7.CB.55Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
7.CB.55Rhomboclase
HFe(SO
 
4
)
 
2
·4H
 
2
O
7.CB.60Kornelite
Fe
 
2
(SO
 
4
)
 
3
·7H
 
2
O
7.CB.65Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
·10H
 
2
O
7.CB.70Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
7.CB.75Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
·14H
 
2
O
7.CB.75Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·14H
 
2
O
7.CB.80Ransomite
CuFe
 
2
(SO
 
4
)
 
4
·6H
 
2
O
7.CB.85Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Wupatkiite
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.90Meridianiite
MgSO
 
4
·11H
 
2
O

Other Names for Cobaltkieserite

Synonyms:
IMA2002-004
Other Languages:
German:Kobaltkieserit
Russian:Кобальткизерит

Other Information

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 Cobaltkieserite

Reference List:Holtstam, D. (2002): Geologiska Föreningens i Stockholm Förhandlinger: 124: 117-119.

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    Localities for Cobaltkieserite

    (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.
    Sweden
     
    • Västmanland
      • Skinnskatteberg
        • Riddarhyttan
    		GFF (Geol. Fören. Stockh. Förh.) (2002), 124, 117–119
    Mineral and/or Locality
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