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Cavoite

A valid IMA mineral species
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01338650014947529626629.jpg
Cavoite

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
09116680014947529674553.jpg
Cavoite, etc.

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
09089500014947529642353.jpg
Cavoite

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
01338650014947529626629.jpg
Cavoite

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
09116680014947529674553.jpg
Cavoite, etc.

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
01706490015048429728187.jpg
Cavoite

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
01338650014947529626629.jpg
Cavoite

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
09116680014947529674553.jpg
Cavoite, etc.

Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
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About CavoiteHide

Formula:
CaV4+3O7
Colour:
Colorless to pale olive green-brown, green-grey
Lustre:
Vitreous, Silky
Specific Gravity:
3.51 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for its chemical composition, containing CAlcium, Vanadium and Oxygen.
This page provides mineralogical data about Cavoite.


Unique IdentifiersHide

Mindat ID:
26440
Long-form identifier:
mindat:1:1:26440:0
GUID
(UUID V4):
a10daf2f-2352-4107-994c-5762e0e13d4b

IMA Classification of CavoiteHide

IMA status:
Approved
IMA Formula:
CaV3O7
Approval year:
2001
First published:
2003

Classification of CavoiteHide

Strunz-mindat (2023):
4.HE.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
CvoIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of CavoiteHide

Lustre:
Vitreous, Silky
Transparency:
Transparent
Colour:
Colorless to pale olive green-brown, green-grey
Streak:
White
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
none
Density:
3.51 g/cm3 (Calculated)

Chemistry of CavoiteHide

Mindat Formula:
CaV4+3O7
Elements listed:
Ca, O, V - search for minerals with similar chemistry

Crystallography of CavoiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 10.42 Å, b = 5.28 Å, c = 10.34 Å
Ratio:
a:b:c = 1.973 : 1 : 1.958
Unit Cell V:
568.2 ų
Z:
4
Twinning:
none

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009473CavoiteBouloux J C, Galy J (1973) Les hypovanadates MV3O7 (M=Ca,Sr,Cd). Structure cristalline de CaV3O7 Acta Crystallographica B29 269-2751973synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.16 Å(Medium)
3.45 Å(Weak)
3.00 Å(Strong)
2.88 Å(Weak)
1.85 Å(Medium)
1.56 Å(Weak)
Comments:
Gambatesa mine, Italy. Data from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Stage 7: Great Oxidation Event<2.4
47e : [Vanadates, chromates, manganates]
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of CavoiteHide

Type Locality:
ⓘ Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
General Appearance of Type Material:
Very rare radiated aggregates of strongly elongated prismatic to acicular crystals up to about 0.28 mm in length.
Place of Conservation of Type Material:
Type material is deposited in the collection of the Dipartimento per lo Studio del Territorio e delle sue Risorse (Dip.Te.Ris), Universita` di Genova, Italy.
Geological Setting of Type Material:
Metamorphosed manganese deposit.
Associated Minerals at Type Locality:
QuartzManganese-bearing CalciteCaryopilite

Synonyms of CavoiteHide

Other Language Names for CavoiteHide

Russian:Кавоит

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Cavoite associated with CopperCu

Related Minerals - Strunz-mindat GroupingHide

4.HE.05MelanovanaditeCa(V5+,V4+)4O10 · 5H2OTric. 1 : P1
4.HE.10ShcherbinaiteV5+2O5Orth. mmm (2/m 2/m 2/m) : Pmmn
4.HE.15HewettiteCaV6O16 · 9H2OMon. 2/m : P21/m
4.HE.15MetahewettiteCaV6O16 · 3H2OMon. 2/m
4.HE.20BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
4.HE.20Bokite(Al,Fe)1.3(V5+,V4+,Fe3+)8O20 · 7.5H2OMon.
4.HE.20Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon. 2/m : B2/m
4.HE.20Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2OMon. 2/m : B2/m
4.HE.20Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2OMon. 2/m : B2/m
4.HE.25HäggiteV3+V4+O2(OH)3Mon. 2/m : B2/m
4.HE.30DoloresiteV4+3O4(OH)4Mon. 2/m : B2/m
4.HE.35DuttoniteV4+O(OH)2Mon. 2/m

Fluorescence of CavoiteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CavoiteHide

References for CavoiteHide

Reference List:
Bouloux, J.C., Galy, J. (1973) Les hypovanadates MV3O7 (M = Ca, Sr, Cd). Structure cristalline de CaV3O7. Acta Crystallographica: B29: 269-275.
Palenzona, A., Martinelli, A. (2003) Cavoite: CaV3O7 nuova specie dalla miniera di Gambatesa (Liguria). Rivista Mineralogica Italiana: 2003: 29-31.
Jambor, J.L., Roberts, A.C. (2003) New mineral names. American Mineralogist: 88: 1626-1629.
Mandarino, Joseph A. (2003) New minerals. The Canadian Mineralogist, 41 (5) 1309-1319 doi:10.2113/gscanmin.41.5.1309
Basso, Riccardo, Lucchetti, Gabriella, Martinelli, Alberto, Palenzona, Andrea (2003) Cavoite, CaV3O7, a new mineral from the Gambatesa mine, northern Apennines, Italy. European Journal of Mineralogy, 15 (1) 181-184 doi:10.1127/0935-1221/2003/0015-0181

Localities for CavoiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Western Australia
    • Laverton Shire
      • Mount Weld Station
Handbook of Mineralogy
Brazil
 
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
Handbook of Mineralogy
Burundi
 
  • Bujumbura Rural Province
Handbook of Mineralogy
Germany
 
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Vordereifel
Handbook of Mineralogy
Italy (TL)
 
  • Liguria
    • Genoa
      • Ne
        • Reppia
Palenzona A., Martinelli A., 2003. Cavoite: CaV3O7, nuova specie dalla miniera di Gambatesa (Liguria). Rivista Mineralogica Italiana, 27(1), 29-31.
Basso, Riccardo, Lucchetti, Gabriella, Martinelli, Alberto, Palenzona, Andrea (2003) Cavoite, CaV3O7, a new mineral from the Gambatesa mine, northern Apennines, Italy. European Journal of Mineralogy, 15 (1) 181-184 doi:10.1127/0935-1221/2003/0015-0181
Kyrgyzstan
 
  • Batken Region
Handbook of Mineralogy
Mexico
 
  • Durango
    • Gómez Palacio Municipality
      • Sierra de Bermejillo
Handbook of Mineralogy
Nigeria
 
  • Nasarawa
    • Nasarawa
Handbook of Mineralogy
Norway
 
  • Nordland
Handbook of Mineralogy
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