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Cobaltkieserite

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Formula:
CoSO4 · H2O
System:
Monoclinic
Colour:
Pink
Hardness:
2 - 3
Member of:
This page provides mineralogical data about Cobaltkieserite.

Classification of Cobaltkieserite

Approved 2002
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

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.

Physical Properties of Cobaltkieserite

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

Crystallography of Cobaltkieserite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
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 Data:
d-spacingIntensity
4.829 (33)
3.405 (100)
3.339 (34)
3.291 (32)
3.062 (56)
2.567 (30)
2.513 (49)

Optical Data of Cobaltkieserite

Type:
Biaxial (+)

Chemical Properties of Cobaltkieserite

Formula:
CoSO4 · H2O
All elements listed in formula:
Analytical 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:
Co0.98(S0.95As0.06Si0.01)Σ1.02O4.00 · 1.00H2O

Relationship of Cobaltkieserite to other Species

Member of:
Other Members of Group:
Dwornikite(Ni,Fe)SO4 · H2O
GunningiteZnSO4 · H2O
KieseriteMgSO4 · H2O
SzmikiteMnSO4 · H2O
SzomolnokiteFeSO4 · H2O
7.CB.05Dwornikite(Ni,Fe)SO4 · H2O
7.CB.05GunningiteZnSO4 · H2O
7.CB.05KieseriteMgSO4 · H2O
7.CB.05Poitevinite(Cu,Fe,Zn)SO4 · H2O
7.CB.05SzmikiteMnSO4 · H2O
7.CB.05SzomolnokiteFeSO4 · H2O
7.CB.07SanderiteMgSO4 · 2H2O
7.CB.10BonattiteCuSO4 · 3H2O
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2O
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2O
7.CB.15Ilesite(Mn,Zn,Fe)SO4 · 4H2O
7.CB.15RozeniteFeSO4 · 4H2O
7.CB.15StarkeyiteMgSO4 · 4H2O
7.CB.15DrobeciteCdSO4 · 4H2O
7.CB.15CranswickiteMgSO4 · 4H2O
7.CB.20ChalcanthiteCuSO4 · 5H2O
7.CB.20JôkokuiteMnSO4 · 5H2O
7.CB.20PentahydriteMgSO4 · 5H2O
7.CB.20SiderotilFeSO4 · 5H2O
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2O
7.CB.25Chvaleticeite(Mn,Mg)SO4 · 6H2O
7.CB.25FerrohexahydriteFeSO4 · 6H2O
7.CB.25HexahydriteMgSO4 · 6H2O
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2O
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2O
7.CB.30RetgersiteNiSO4 · 6H2O
7.CB.35BieberiteCoSO4 · 7H2O
7.CB.35BoothiteCuSO4 · 7H2O
7.CB.35MallarditeMnSO4 · 7H2O
7.CB.35MelanteriteFeSO4 · 7H2O
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2O
7.CB.35Alpersite(Mg,Cu)[SO4] · 7H2O
7.CB.40EpsomiteMgSO4 · 7H2O
7.CB.40GoslariteZnSO4 · 7H2O
7.CB.40MorenositeNiSO4 · 7H2O
7.CB.45AlunogenAl2(SO4)3 · 17H2O
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteFeAl(SO4)3 · 9H2O
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2O
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
7.CB.60KorneliteFe2(SO4)3 · 7H2O
7.CB.65QuenstedtiteFe2(SO4)3 · 10H2O
7.CB.70LauseniteFe2(SO4)3·5H2O
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe23+(SO4)4 · 14H2O
7.CB.80RansomiteCuFe2(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85BíliniteFe2+Fe23+(SO4)4 · 22H2O
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2O
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O
7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4·22H2O
7.CB.90MeridianiiteMgSO4 · 11H2O

Other Names for Cobaltkieserite

Name in Other Languages:
Simplified Chinese:水钴矾
Traditional Chinese:水鈷礬

Other Information

Health Risks:
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.

Internet Links for Cobaltkieserite

Localities for Cobaltkieserite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
Jan Hloušek
Sweden (TL)
 
  • Västmanland
    • Skinnskatteberg
      • Riddarhyttan
Holtstam, D. (2002): Cobaltkieserite, CoSO4·H2O, a new mineral species from Bastnäs, Skinnskatteberg, Sweden. Geologiska Föreningens i Stockholm Förhandlingar, 124, 117-119
Mineral and/or Locality  
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