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Stoiberite

Big Photo

Izalco Volcano, Sonsonate Department, El Salvador
© Brent Thorne

Formula:
Cu
 
5
[O
 
2
|(VO
 
4
)
 
2
]
System:MonoclinicColour:Black
Name:Named after Richard E. Stoiber (b. 1911), Professor of Geology, Dartmouth College, Hanover, New Hampshire, USA.


Althausite Group.

Classification of Stoiberite

IMA status:Approved 1979
Strunz 8th edition ID:7/B.07-10
Nickel-Strunz 10th (pending) edition ID:8.BB.75

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
Dana 8th edition ID:41.4.5.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq
Hey's CIM Ref.:21.1.9

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

Type Locality:Izalco Volcano, Sonsonate Department, El Salvador
Year of Discovery:1979

Physical Properties of Stoiberite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Black

Crystallography of Stoiberite

Crystal System:Monoclinic
Cell Parameters:a = 15.65Å, b = 6.05Å, c = 8.38Å
β = 102.29°
Ratio:a:b:c = 2.587 : 1 : 1.385
Unit Cell Volume:V 775.26 ų (Calculated from Unit Cell)

Chemical Properties of Stoiberite

Formula:
Cu
 
5
[O
 
2
|(VO
 
4
)
 
2
]
Essential elements:Cu, O, V
All elements listed in formula:Cu, O, V

Relationship of Stoiberite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.BB.05Amblygonite
(Li,Na)Al[(F,OH)|PO
 
4
]
8.BB.05Montebrasite
LiAl[(OH,F)|PO
 
4
]
8.BB.05Tavorite
LiFe
3+
 
[OH|PO
 
4
]
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
[(F,OH)|PO
 
4
]
8.BB.10Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
8.BB.10IMA2004-009
Mg
 
2
[PO
 
4
](OH)
8.BB.15Sarkinite
Mn
2+
2
[OH|AsO
 
4
]
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
[F|PO
 
4
]
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Stanĕkite
Fe
3+
 
(Mn
2+
 
,Fe
2+
 
,Mg)[O|PO
 
4
]
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)[PO
 
4
]O
8.BB.20Holtedahlite
Mg
 
2
[OH|PO
 
4
]
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
[(OH,O)|PO
 
4
]
8.BB.25Althausite
Mg
 
2
[(OH,F)|PO
 
4
]
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Eveite
Mn
2+
2
[OH|AsO
 
4
]
8.BB.30Libethenite
Cu
 
2
[OH|PO
 
4
]
8.BB.30Olivenite
Cu
 
2
[OH|AsO
 
4
]
8.BB.30Zincolibethenite
CuZnPO
 
4
OH
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.35Paradamite
Zn
 
2
[OH|AsO
 
4
]
8.BB.35Tarbuttite
Zn
 
2
[OH|PO
 
4
]
8.BB.40Barbosalite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Hentschelite
CuFe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Scorzalite
(Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
[OH|AsO
 
4
]
 
2
8.BB.45Trolleite
Al
 
4
[OH|PO
 
4
]
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
[(OH)
 
6
|(HPO
 
4
,CO
 
3
)
 
2
|(PO
 
4
)
 
6
]
8.BB.60Urusovite
Cu[AlAsO
 
5
]
8.BB.65Theoparacelsite
Cu
 
3
[(OH)
 
2
|As
 
2
O
 
7
]
8.BB.70Turanite
Cu
 
5
[(OH)
 
2
|VO
 
4
]
 
2
8.BB.80Fingerite
Cu
 
11
[O
 
2
|(VO
 
4
)
 
6
]
8.BB.85Averievite
Cu
 
6
[O
 
2
|Cl
 
2
|(VO
 
4
)
 
2
]
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.90Richellite
Ca
 
3
Fe
3+
10
[(OH,F)
 
3
|(PO
 
4
)
 
2
]
 
4
 · nH
 
2
O (not confirmed)
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Related Minerals - Hey's Index Grouping:
21.1.1Metamunirite
NaVO
 
3
21.1.2Munirite
NaVO
 
3
·2H
 
2
O
21.1.3Barnesite
Na
 
2
[V
 
2
O
 
6
|V
 
4
O
 
10
] · 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
]
21.1.8Ziesite
β-Cu
 
2
[V
 
2
O
 
7
]
21.1.10Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
21.1.11Fingerite
Cu
 
11
[O
 
2
|(VO
 
4
)
 
6
]
21.1.12Volborthite
Cu
 
3
[(OH)
 
2
|V
 
2
O
 
7
] · 2H
 
2
O
21.1.13Tangeite
CaCu[OH|VO
 
4
]
21.1.14Vésigniéite
BaCu
 
3
[OH|VO
 
4
]
 
2
21.1.15Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6

Other Names for Stoiberite

Synonyms:
IMA1979-016
German names:
Stoiberit
Russian names:
Стойберит
Spanish names:
Stoiberita

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 Stoiberite

Reference List:Rocks and Minerals (1967), 42, 420.

American Mineralogist (1979): 64: 941-944.

Acta Crystallographica: B29: 1338-1345.

Internet Links for Stoiberite

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  • Raman and XRD data at RRUFF project
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  • Stoiberite details from Handbook of Mineralogy (PDF)
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    Localities for Stoiberite

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    El Salvador
     
    • Sonsonate Department
    		AM 64 (1979), 941; HB3 (1997)
    Mineral and/or Locality
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