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Vanadiocarpholite

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Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
© R. Bracco

Show Vanadiocarpholite Photos (8)
Formula:
Mn
2+
 
V
3+
 
Al[(OH)
 
4
|Si
 
2
O
 
6
]
System:OrthorhombicColour:pale-straw yellow, ...
Name:after its chemical composition and the relation to carpholite


The vanadium(III) analogue of carpholite

Classification of Vanadiocarpholite

IMA status:Approved 2003
Strunz 8th edition ID:8/F.03-35
Nickel-Strunz 10th (pending) edition ID:9.DB.05

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
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Type Occurrence of Vanadiocarpholite

Type Locality:Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
General Appearance of Type Material:veinlets and radiating aggregates of strongly elongated, prismatic to acicular crystals up to about 0.28 mm
Place of Conservation of Type Material:University of Genova, Genova, Italy
Geological Setting of type material:in silicified wood in Mn-ore-bearing radiolarian cherts

Physical Properties of Vanadiocarpholite

Lustre:Vitreous, Silky
Colour:pale-straw yellow, honey-yellow to brown

Crystallography of Vanadiocarpholite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Ccca {C2/c 2/c 2/a}
Cell Parameters:a = 13.83Å, b = 20.681Å, c = 5.188Å
Ratio:a:b:c = 0.669 : 1 : 0.251
Unit Cell Volume:V 1483.9 ų
Z:8

Chemical Properties of Vanadiocarpholite

Formula:
Mn
2+
 
V
3+
 
Al[(OH)
 
4
|Si
 
2
O
 
6
]
All elements listed in formula:Al, H, Mn, O, Si, V

Relationship of Vanadiocarpholite to other Species

Member of Group:
Carpholite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.DB.05Balipholite
BaLiMg
 
2
Al
 
3
[(OH)
 
4
|Si
 
2
O
 
6
]
 
2
9.DB.05Carpholite
Mn
2+
 
Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Ferrocarpholite
(Fe
2+
 
,Mg)Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Magnesiocarpholite
(Mg,Fe
2+
 
)Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Potassiccarpholite
(K,[])(Li,Mn
2+
 
)
 
2
Al
 
4
[(OH)
 
4
 ׀ (F,OH)
 
4
 ׀ (Si
 
2
O
 
6
)
 
2
]
9.DB.10Lorenzenite
Na
 
2
Ti
 
2
[O
 
3
|Si
 
2
O
 
6
]
9.DB.15Lintisite
LiNa
 
3
Ti
 
2
[O|Si
 
2
O
 
6
]
 
2
 · 2H
 
2
O
9.DB.20Kukisvumite
Na
 
6
ZnTi
 
4
Si
 
8
O
 
28
·4H
 
2
O
9.DB.20Manganokukisvumite
Na
 
6
MnTi
 
4
Si
 
8
O
 
28
·4H
 
2
O
9.DB.25Vinogradovite
(Na,Ca,K)
 
4
Ti
 
4
AlSi
 
6
O
 
23
(OH)·2H
 
2
O
9.DB.25Paravinogradovite
Na
 
1-2
(Ti,Fe
3+
 
)
 
4
[(OH)
 
4
|AlSi
 
3
O
 
10
|(Si
 
2
O
 
6
)
 
2
] · H
 
2
O
9.DB.30Nchwaningite
Mn
2+
2
[(OH)
 
2
|SiO
 
3
] · H
 
2
O
9.DB.35Plancheite
Cu
 
8
[(OH)
 
4
|Si
 
8
O
 
22
] · H
 
2
O
9.DB.40Shattuckite
Cu
 
5
[(OH)
 
2
|(SiO
 
3
)
 
4
]
9.DB.40UM2005-31-SiO:CuH
Cu
 
11
(SiO
 
4
)(OH)
 
18
·9H
 
2
O ?
9.DB.45Aerinite
Ca
 
5
(Fe
3+
 
,Al,Fe
2+
 
,Mg)(Al,Mg)
 
6
[HSi
 
12
O
 
36
(OH)
 
12
][(CO
 
3
)
 
1.2
(H
 
2
O)
 
12
]

Other Names for Vanadiocarpholite

Synonyms:
IMA2003-055
Other Languages:
German:Vanadiokarpholith
Russian:Ванадиокарфолит

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 Vanadiocarpholite

Reference List:Poster presented at the 5th International Conference on Mineralogy & Museums, Paris (France), Sept 5-8, 2004.

Basso, R., Cabella, R., Lucchetti, G., Martinelli, A., and Palenzona, A (2005) Vanadiocarpholite, Mn 2+ V 3+ Al[Si2O6](OH)4, a new mineral from Mulinello mine, nothern Appennins, Italy. European Journal of Mineralogy: 3: 501-507.

Internet Links for Vanadiocarpholite

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    Localities for Vanadiocarpholite

    (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
    		Basso, R., Cabella, R., Lucchetti, G., Martinelli, A., & Palenzona, A., 2005. Vanadiocarpholite, Mn2+V3+Al(Si2O6)(OH)4, a new mineral from Molinello Mine, Northern Appennines, Italy. European Journal of Mineralogy, 17 (3), 501-507 and Palenzona, A., Martinelli, A., & Stuppini, M., 2006. Vanadiocarfolite. Una nuova specie da Molinello, Val Graveglia, Liguria orientale. Rivista Mineralogica Italiana, 30 (1), 44-47.
            • Reppia
    		Redazione (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia Ferrania Club, 19, 3-5.
    Mineral and/or Locality
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