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Ziesite

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Big Photo

Izalco Volcano, Sonsonate Department, El Salvador
© Brent Thorne 2010




Formula:
β-Cu
 
2
(V
 
2
O
 
7
)
System:MonoclinicColour:Black, white in ...
Lustre:Metallic
Name:Named after Emmanuel G. Zies, Carnegie Institute of Washington (USA).
This page provides mineralogical data about Ziesite.

Classification of Ziesite

IMA status:Approved 1979
Strunz 8th edition ID:7/A.20-10
Nickel-Strunz 10th (pending) edition ID:8.FA.10

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
A : Polyphosphates, etc., without OH and H2O; dimers of corner-sharing RO4 tetrahedra.
Dana 8th edition ID:38.5.5.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
5 : Miscellaneous
Hey's CIM Ref.:21.1.8

21 : Vanadates (and vanadates with arsenate or phosphate)
1 : Vanadates of the alkalis and Cu
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Type Occurrence of Ziesite

Type Locality:Izalco Volcano, Sonsonate Department, El Salvador
Year of Discovery:1980

Physical Properties of Ziesite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Black, white in reflected light
Streak:Red-brown

Crystallography of Ziesite

Crystal System:Monoclinic
Cell Parameters:a = 7.68Å, b = 8Å, c = 10.09Å
β = 110.27°
Ratio:a:b:c = 0.96 : 1 : 1.261
Unit Cell Volume:V 581.54 ų (Calculated from Unit Cell)

Chemical Properties of Ziesite

Formula:
β-Cu
 
2
(V
 
2
O
 
7
)
Essential elements:Cu, O, V
All elements listed in formula:Cu, O, V

Relationship of Ziesite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.FA.05Blossite
α-Cu
 
2
(V
 
2
O
 
7
)
8.FA.15Chervetite
Pb
 
2
(V
 
2
O
 
7
)
8.FA.15UM1999-17:O:PbV
Pb
 
4
(VO
 
4
)
 
2
O
8.FA.20Pyrocoproite
(K,Na)
 
2
Mg(P
 
2
O
 
7
)
8.FA.20Pyrophosphite
K
 
2
Ca(P
 
2
O
 
7
)
8.FA.25Petewilliamsite
(Ni,Co)
 
30
(As
 
2
O
 
7
)
 
15
Related Minerals - Hey's Index Grouping:

- +
21.1.1Metamunirite
NaVO
 
3
21.1.2Munirite
NaVO
 
3
 · 1.9H
 
2
O
21.1.3Barnesite
(Na,Ca)V
 
6
O
 
16
 · 3H
 
2
O
21.1.4Bannermanite
(Na,K)
 
0.7
V
4+
0.7
V
5+
5.3
O
 
15
21.1.5Howardevansite
NaCuFe
 
2
(VO
 
4
)
 
3
21.1.6Huemulite
Na
 
4
Mg(V
 
10
O
 
28
) · 24H
 
2
O
21.1.7Blossite
α-Cu
 
2
(V
 
2
O
 
7
)
21.1.9Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
21.1.10Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
21.1.11Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
21.1.12Volborthite
Cu
 
3
(V
 
2
O
 
7
)(OH)
 
2
 · 2H
 
2
O
21.1.13Tangeite
CaCu(VO
 
4
)(OH)
21.1.14Vésigniéite
BaCu
 
3
(VO
 
4
)
 
2
(OH)
 
2
21.1.15Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6

Other Names for Ziesite

Synonyms:
IMA1979-055
Other Languages:
German:Ziesit
Russian:Цизит
Spanish:Ziesita

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 Ziesite

Reference List:

- +
American Mineralogist (1980): 65: 1146-1149.

Crystallography Reports: 277C: 1101-1104.

Neues Jahrbuch für Mineralogie, Monatshefte (1989): 41.

Internet Links for Ziesite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Ziesite details from Handbook of Mineralogy (PDF)
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    • Localities for Ziesite

    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.
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    (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.
    El Salvador
     
    • Sonsonate Department
    		[Amer.Min.(1980) 65, 1146-1149; MinRec 18:339]; Amer.Min.(1983) 68, 634-641
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