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Cavoite

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Big Photo

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy
© R. Bracco

Show Cavoite Photos (3)



Formula:
CaV
4+
3
O
 
7
System:OrthorhombicColour:Colorless to pale olive ...
Name:From chemical composition.
This page provides mineralogical data about Cavoite.

Classification of Cavoite

IMA status:Approved 2001
Nickel-Strunz 10th (pending) edition ID:4.HE.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates
mindat.org URL:http://www.mindat.org/min-26440.html
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Type Occurrence of Cavoite

Type Locality:Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Physical Properties of Cavoite

Lustre:Vitreous, Silky
Diaphaneity (Transparency):Translucent
Colour:Colorless to pale olive green-brown, green-grey

Crystallography of Cavoite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pnma {P21/n 21/m 21/a}
Cell Parameters:a = 10.42Å, b = 5.28Å, c = 10.34Å
Ratio:a:b:c = 1.973 : 1 : 1.958
Unit Cell Volume:V 568.2 ų
Z:4

Chemical Properties of Cavoite

Formula:
CaV
4+
3
O
 
7
Essential elements:Ca, O, V
All elements listed in formula:Ca, O, V

Relationship of Cavoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HE.05Melanovanadite
Ca
 
2
(V
5+
 
,V
4+
 
)
 
4
O
 
10
 · 5H
 
2
O
4.HE.10Shcherbinaite
V
5+
2
O
 
5
4.HE.15Hewettite
CaV
 
6
O
 
16
 · 9H
 
2
O
4.HE.15Metahewettite
CaV
 
6
O
 
16
 · 3H
 
2
O
4.HE.20Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 9H
 
2
O
4.HE.20Bokite
(Al,Fe
3+
 
)
 
1.3
(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
8
O
 
20
 · 7.4H
 
2
O
4.HE.20Corvusite
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 6-10H
 
2
O
4.HE.20Fernandinite
(Ca,K)(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 10H
 
2
O
4.HE.20Straczekite
(Ca,K,Ba)(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 3H
 
2
O
4.HE.25Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
4.HE.30Doloresite
V
4+
3
O
 
4
(OH)
 
4
4.HE.35Duttonite
V
4+
 
O(OH)
 
2

Other Names for Cavoite

Synonyms:
IMA2001-024
Other Languages:
Russian:Кавоит

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 Cavoite

Reference List:

- +
Bouloux, J.C. & Galy, J. (1973): Les hypovanadates MV3O7 (M = Ca, Sr, Cd). Structure cristalline de CaV3O7. Acta Crystallographica, B29, 269-275.

Basso R., Lucchetti G., Martinelli A., Palenzona A. (2002): Cavoite, CaV3O7,a new mineral from the Gambatesa mine, northern Apennines, Italy. European Journal of Mineralogy, 15, 181-184.

Palenzona, A. & Martinelli, A. (2003): Cavoite: CaV3O7 nuova specie dalla miniera di Gambatesa (Liguria). Rivista Mineralogica Italiana, 2003, 29-31.

Internet Links for Cavoite

Search Engines:
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  • Raman and XRD data at RRUFF project
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  • Cavoite details from Handbook of Mineralogy (PDF)
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    • Localities for Cavoite

    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.
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
            • Reppia
    		R. Basso, G. Lucchetti, A. Martinelli, A. Palenzona: "Cavoite, CaV3O7, a new mineral from the Gambatesa mine, northern Apennines, Italy", Eur. J. Mineral. 15:181-184 (2002); Palenzona A., Martinelli A., 2003. Cavoite: CaV3O7, nuova specie dalla miniera di Gambatesa (Liguria). Rivista Mineralogica Italiana, 27(1), 29-31.
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