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Vanadomalayaite

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About VanadomalayaiteHide

Formula:
CaV4+(SiO4)O
Colour:
Deep red
Lustre:
Adamantine
Hardness:
6
Crystal System:
Monoclinic
Member of:
Name:
Named for its vanadium content and chemical relationship to malayaite.
Titanite Group.

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


Classification of VanadomalayaiteHide

Approved
Approval Year:
1993
9.AG.15

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
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

Pronounciation of VanadomalayaiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of VanadomalayaiteHide

Adamantine
Transparency:
Transparent
Colour:
Deep red
Hardness:

Optical Data of VanadomalayaiteHide

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

Formula:
CaV4+(SiO4)O
IMA Formula:
CaVO(SiO4)

Crystallography of VanadomalayaiteHide

Crystal System:
Monoclinic

Type Occurrence of VanadomalayaiteHide

Synonyms of VanadomalayaiteHide

Other Language Names for VanadomalayaiteHide

Relationship of Vanadomalayaite to other SpeciesHide

Member of:
Other Members of this group:
MalayaiteCaSn(SiO4)OMon.
Natrotitanite(Na0.5Y0.5)Ti(SiO4)OMon. 2/m : B2/b
TitaniteCaTi(SiO4)OMon. 2/m : P21/b
ŻabińskiiteCa[Al0.5(Ta,Nb)0.5)](SiO4)OTric. 1

Common AssociatesHide

Associated Minerals Based on Photo Data:
Poppiite1 photo of Vanadomalayaite associated with Poppiite on mindat.org.
Goldmanite1 photo of Vanadomalayaite associated with Goldmanite on mindat.org.
Ganophyllite1 photo of Vanadomalayaite associated with Ganophyllite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AG.EdgrewiteCa9(SiO4)4F2 Mon. 2/m : P21/b
9.AG.05AbswurmbachiteCuMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05BrauniteMn2+Mn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05NeltneriteCaMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05Braunite-IICaMn3+14(SiO4)O20Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.10LångbaniteMn2+4Mn3+9Sb5+O16(SiO4)2Trig. 3m : P3m1
9.AG.15MalayaiteCaSn(SiO4)OMon.
9.AG.15TitaniteCaTi(SiO4)OMon. 2/m : P21/b
9.AG.15Natrotitanite(Na0.5Y0.5)Ti(SiO4)OMon. 2/m : B2/b
9.AG.15ŻabińskiiteCa[Al0.5(Ta,Nb)0.5)](SiO4)OTric. 1
9.AG.20Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Cerite-(La)(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Aluminocerite-(Ce)(Ce,La,Ca)9(Al,Fe3+)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.25Trimounsite-(Y)Y2Ti2(SiO4)O5Mon.
9.AG.25Yftisite-(Y)(Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6
9.AG.25Mieite-(Y)Y4Ti(SiO4)2O[F,(OH)]6Orth. mmm (2/m 2/m 2/m) : Cmcm
9.AG.30SitinakiteKNa2Ti4(SiO4)2O5(OH) · 4H2OTet.
9.AG.35KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2OHex.
9.AG.40aNatisiteNa2Ti(SiO4)OTet.
9.AG.40bParanatisiteNa2Ti(SiO4)OOrth.
9.AG.45Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
9.AG.45Törnebohmite-(La)(La,Ce)2Al(SiO4)2(OH)
9.AG.50Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5
9.AG.55ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
9.AG.60MozartiteCaMn3+(SiO4)(OH)Orth. 2 2 2 : P21 21 21
9.AG.60VuagnatiteCaAl(SiO4)(OH)Orth.
9.AG.65HatruriteCa3(SiO4)OTrig.
9.AG.70JasmunditeCa11(SiO4)4O2STet. 4 2m : I4m2
9.AG.75AfwilliteCa3(HSiO4)2 · 2H2OMon. m : Bb
9.AG.80BultfonteiniteCa2(HSiO4)F · H2OTric.
9.AG.85ZoltaiiteBaV4+2V3+12(SiO4)2O19Trig. 3 : P3
9.AG.90Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Related Minerals - Dana Grouping (8th Ed.)Hide

52.4.3.1TitaniteCaTi(SiO4)OMon. 2/m : P21/b
52.4.3.2MalayaiteCaSn(SiO4)OMon.

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.

References for VanadomalayaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Neues Jahrbuch für Mineralogie, Monatshefte (1994): 489-498.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for VanadomalayaiteHide

Localities for VanadomalayaiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy (TL)
 
  • 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  
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