Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Vanadomalayaite

Big Photo

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

Show Vanadomalayaite Photos (4)
Formula:
CaV
4+
 
[O|SiO
 
4
]
System:MonoclinicColour:Deep red
Lustre:AdamantineHardness:6
Name:Named for its vanadium content and chemical relationship to malayaite.


Titanite Group.

The vanadium (V4+) analogue of titanite and malayaite.

Classification of Vanadomalayaite

IMA status:Approved 1993
Strunz 8th edition ID:8/B.12-15
Nickel-Strunz 10th (pending) edition ID:9.AG.15

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
Dana 8th edition ID:52.4.3.3

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
mindat.org URL:http://www.mindat.org/min-7349.html
Please feel free to link to this page.

Type Occurrence of Vanadomalayaite

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

Physical Properties of Vanadomalayaite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Deep red
Hardness (Mohs):6

Crystallography of Vanadomalayaite

Crystal System:Monoclinic

Optical Data of Vanadomalayaite

Type:Biaxial (+)
RI values: nα = 1.950 nγ = 2.105
2V:Measured: 17° to 40°
Maximum Birefringence:δ = 0.155

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:very strong

Chemical Properties of Vanadomalayaite

Formula:
CaV
4+
 
[O|SiO
 
4
]
Essential elements:Ca, O, Si, V
All elements listed in formula:Ca, O, Si, V

Relationship of Vanadomalayaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AG.05Abswurmbachite
CuMn
3+
6
O
 
8
(SiO
 
4
)
9.AG.05Braunite
Mn
2+
 
Mn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Neltnerite
CaMn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Braunite-II
CaMn
3+
14
SiO
 
24
9.AG.10Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
[O
 
8
|SiO
 
4
]
 
2
9.AG.15Malayaite
CaSn[O|SiO
 
4
]
9.AG.15Titanite
CaTi[O|SiO
 
4
]
9.AG.20Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Aluminocerite-(Ce)
(Ce,La,Ca)
 
9
(Al,Fe
3+
 
)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.25Trimounsite-(Y)
Y
 
2
Ti
 
2
[O
 
5
|SiO
 
4
]
9.AG.25Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)O(SiO
 
4
)
 
2
(F,OH)
 
6
9.AG.30Sitinakite
KNa
 
2
Ti
 
4
Si
 
2
O
 
13
(OH)·2H
 
2
O
9.AG.35Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
·9H
 
2
O
9.AG.40aNatisite
Na
 
2
Ti[O|SiO
 
4
]
9.AG.40bParanatisite
Na
 
2
Ti[O|SiO
 
4
]
9.AG.45Törnebohmite-(Ce)
(Ce,La)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.45Törnebohmite-(La)
(La,Ce)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.50Kuliokite-(Y)
Y
 
4
Al(SiO
 
4
)
 
2
(OH)
 
2
F
 
5
9.AG.55Chantalite
CaAl
 
2
[(OH)
 
4
|SiO
 
4
]
9.AG.60Mozartite
CaMn
3+
 
[OH|SiO
 
4
]
9.AG.60Vuagnatite
CaAl[OH|SiO
 
4
]
9.AG.65Hatrurite
Ca
 
3
[O|SiO
 
4
]
9.AG.70Jasmundite
Ca
 
11
[O
 
2
|S|(SiO
 
4
)
 
4
]
9.AG.75Afwillite
Ca
 
3
[HSiO
 
4
]
 
2
 · 2H
 
2
O
9.AG.80Bultfonteinite
Ca
 
2
[F|HSiO
 
4
] · H
 
2
O
9.AG.85Zoltaiite
BaV
4+
2
V
3+
12
Si
 
2
O
 
27
9.AG.90Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
[O
 
4
|SiO
 
4
]
 
3

Other Names for Vanadomalayaite

Synonyms:
IMA1993-032
Other Languages:
German:Vanadomalayait
Russian:Ванадомалаяит
Spanish:Vanadomalayaita

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 Vanadomalayaite

Reference List:Neues Jahrbuch für Mineralogie, Monatshefte (1994): 489-498.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Vanadomalayaite

Search Engines:
  • Look for Vanadomalayaite on Google
  • Look for Vanadomalayaite images on Google
    • External Links:
  • Look for Vanadomalayaite on Webmineral
  • Look for Vanadomalayaite on Athena Mineralogy
  • Look for Vanadomalayaite on Wikipedia
  • Look for Vanadomalayaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Vanadomalayaite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Fine Minerals from Dan Weinrich Minerals
  • SpiriferMinerals.com - high quality specimens
  • Search for - Vanadomalayaite - on e-Rocks Mineral Sales & Auctions
  • Wendel Minerals - Auktion & Shop
  • Edwards Minerals - Fine Specimens
  • rare and unusual minerals mainly crystallized
  • Top quality minerals from Kristalle of California
  • Buy Minerals and Crystals from Crystalarium.com
  • The Arkenstone - Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Vanadomalayaite

    (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
    		[NJMM,489-498 (1994); Rivista Mineralogica Italiana, volume 3, pp. 265-266 (1995); MinRec 32:355]
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 26th Oct 2009 01:43:40