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Cobaltkoritnigite

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Schneeberg District, Erzgebirge, Saxony, Germany
© Thomas Witzke

Show Cobaltkoritnigite Photos (18)
Formula:
(Co,Zn)[HAsO
 
4
] · H
 
2
O
System:TriclinicColour:Purple
Lustre:VitreousHardness:2 - 3
This page provides mineralogical data about Cobaltkoritnigite.

Classification of Cobaltkoritnigite

IMA status:Approved 1980
Strunz 8th edition ID:7/C.06-10
Nickel-Strunz 10th (pending) edition ID:8.CB.20

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
Dana 8th edition ID:39.1.4.2

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
Hey's CIM Ref.:20.10.6

20 : Arsenates (also arsenates with phosphate, but without other anions)
10 : Arsenates of Co and Ni
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Type Occurrence of Cobaltkoritnigite

Type Locality:Schwarzenberg District, Erzgebirge, Saxony, Germany
Year of Discovery:1981

Physical Properties of Cobaltkoritnigite

Lustre:Vitreous
Colour:Purple
Hardness (Mohs):2 - 3

Crystallography of Cobaltkoritnigite

Crystal System:Triclinic

Optical Data of Cobaltkoritnigite

Type:Biaxial (+)
RI values: nα = 1.646 nβ = 1.668 nγ = 1.705
2V:Measured: 78° , Calculated: 78°
Maximum Birefringence:δ = 0.059

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:weak

Chemical Properties of Cobaltkoritnigite

Formula:
(Co,Zn)[HAsO
 
4
] · H
 
2
O
Essential elements:As, Co, H, O
All elements listed in formula:As, Co, H, O, Zn

Relationship of Cobaltkoritnigite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CB.05Serrabrancaite
MnPO
 
4
·H
 
2
O
8.CB.10Hureaulite
(Mn,Fe)
 
5
(PO
 
3
OH)
 
2
(PO
 
4
)
 
2
·4H
 
2
O
8.CB.10Sainfeldite
Ca
 
5
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
8.CB.10Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
8.CB.10UM1997-09-AsO:CaHMgZn
(Mg,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
2
O
8.CB.10IMA2008-047
Cd
 
3
Zn
 
2
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
8.CB.10Miguelromeroite
Mn
 
5
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
8.CB.15Fluckite
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
8.CB.15Krautite
MnHAsO
 
4
·H
 
2
O
8.CB.20Koritnigite
Zn[HAsO
 
4
] · H
 
2
O
8.CB.25Yvonite
Cu[HAsO
 
4
] · 2H
 
2
O
8.CB.30Geminite
Cu
 
2
[As
 
2
O
 
7
] · 3H
 
2
O
8.CB.35Schubnelite
Fe
 
2-x
V
 
2
O
 
4
(OH)
 
4
8.CB.40Radovanite
Cu
 
2
Fe
3+
 
[(As
3+
 
O
 
2
(OH)]
 
2
[As
5+
 
O
 
4
]·H
 
2
O
8.CB.45Kazakhstanite
Fe
 
5
V
 
3
V
 
12
O
 
39
(OH)
 
9
·9H
 
2
O
8.CB.50Kolovratite
(Zn,Ni,Cu)
 
2-5
Al
 
4-6
(Si,V
4+
 
,V
5+
 
)
 
4
(O,OH)
 
20
·7.5H
 
2
O
8.CB.55Irhtemite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
8.CB.60Burgessite
Co
 
2
 (H
 
2
O)
 
4
[AsO
 
3
OH]
 
2
(H
 
2
O)}
Related Minerals - Hey's Index Grouping:

- +
20.10.1Erythrite
Co
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.10.2Cobaltaustinite
CaCo[OH|AsO
 
4
]
20.10.3Roselite
Ca
 
2
(Co
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.4β-Roselite
Ca
 
2
(Co
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.5Wendwilsonite
Ca
 
2
(Mg,Co
2+
 
)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.7Aerugite
Ni
 
8.5
(AsO
 
4
)
 
2
As
5+
 
O
 
8
20.10.8Xanthiosite
Ni
 
3
[AsO
 
4
]
 
2
20.10.9Annabergite
Ni
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.10.10Smolianinovite
(Co,Ni,Mg,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(AsO
 
4
)
 
4
·11H
 
2
O
20.10.11Nickelaustinite
Ca(Ni,Zn)[OH|AsO
 
4
]

Other Names for Cobaltkoritnigite

Synonyms:
IMA1980-013
Other Languages:
German:Cobaltkoritnigit
Kobaltkoritnigit
Spanish:Cobaltkoritnigita

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 Cobaltkoritnigite

Reference List:Schmetzer, K., W. Horn & O. Medenbach (1981): Über Kobaltkoritnigit, (Co,Zn)[H2O/ AsO3OH], ein neues Mineral und Pitticit, Fe2O3 · As2O5 · 9-10 H2O, ein röntgenamorphes Fe-Arsenat-Hydrat.- Neues Jahrbuch für Mineralogie, Monatshefte, 257-266.

American Mineralogist: 67: 414.

Internet Links for Cobaltkoritnigite

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    Localities for Cobaltkoritnigite

    Hide Locality List
    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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Lapis 2002(7/8), 63-65
        • Mariánské Lázně (Marienbad)
          • Slavkovský Les Mts
    		M.E. Ciriotti, 2006, probed EDX+XRD by S. Möckel
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Alpirsbach
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Schenkenzell
          • Wittichen
            • Böckelsbach valley
    		collection Joachim Esche
    Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
            • Burgfelsen
    		No reference listed
            • Heubach Valley
    		No reference listed
    http://wittichen.strahlen.org/ ; Collection Elamr Lackner and many others
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		U. Kolitsch, J. Gröbner, G. Blaß, H.-W. Graf und A. Pring (2005): Neufunde aus der Grube Clara im mittleren Schwarzwald (II): Dreyerit, Gasparit-(Ce), Klinobisvanit, Kobaltkoritnigit, Metatyuyamunit, Roscoelith, Sengierit, Vésigniéit und Wakefieldit. Lapis 30 (9), 35-39; 58. (in German)
    • Hesse
      • North Hesse
        • Richelsdorf District
          • Bauhaus
    		No reference listed
          • Süss
            • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
      • Odenwald
        • Wald-Michelbach
          • Mackenheim
    • Lower Saxony
      • Harz Mts
        • Braunlage
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Rhineland-Palatinate
      • Siegerland
        • Niederfischbach
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Saxony
      • Erzgebirge
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • Schneeberg District
          • Neustädtel
    		Lapis 30(7/8):41-70 (2005)
    Lapis 30(7/8):41-70 (2005)
    Lapis 30(7/8):41-70 (2005)
    [Schmetzer et al: N. Jb. Miner. Mh. 1981, 257-266]
    Japan
     
    • Honshu Island
      • Kanto region
        • Tochigi Prefecture
          • Ashio
    		Okada et al (1994) Abstracts, IMA General Meeting, 1994, 307-308.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Aghbar
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Aït Ahmane
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Bou Azzer
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Tamdrost
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 14:20:33