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Zoltaiite

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About ZoltaiiteHide

09669190015422206546710.jpg
Tibor Zoltai
Formula:
BaV4+2V3+12(SiO4)2O19
Colour:
Steel-grey to black
Lustre:
Sub-Metallic, Dull
Hardness:
6 - 7
Specific Gravity:
4.83 (Calculated)
Crystal System:
Trigonal
Name:
Named in honor of Tibor Zoltai (17 October 1925, Győr, Hungary - 13 July 2003, Saint Paul, Minnesota, USA), Professor of Geology at the University of Minnesota, USA, shown here in the 1990s. He solved the structure of coesite and refined the classification of silicates.
This page provides mineralogical data about Zoltaiite.


Classification of ZoltaiiteHide

Approved
Approval Year:
2003
First Published:
2005
9.AG.85

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

Physical Properties of ZoltaiiteHide

Sub-Metallic, Dull
Transparency:
Opaque
Colour:
Steel-grey to black
Hardness:
6 - 7 on Mohs scale
Hardness Data:
Estimated
Fracture:
Irregular/Uneven
Density:
4.83 g/cm3 (Calculated)

Optical Data of ZoltaiiteHide

Anisotropism:
Weak
Bireflectance:
weak
Reflectivity:
470nmR1=15.9%R2=16.8%
546nmR1=16.0%R2=17.3%
589nmR1=15.9%R2=17.4%
650nmR1=16.1%R2=17.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 17.7%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grey with weak brownish tint
Internal Reflections:
none
Pleochroism:
Visible

Chemical Properties of ZoltaiiteHide

Formula:
BaV4+2V3+12(SiO4)2O19
IMA Formula:
BaV4+2V3+12Si2O27

Crystallography of ZoltaiiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
P3
Cell Parameters:
a = 7.6014 Å, c = 9.2195 Å
Ratio:
a:c = 1 : 1.213
Unit Cell V:
461.34 ų

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0003940ZoltaiiteBartholomew P R, Mancini F, Cahill C L, Harlow G E, Bernhardt H J (2005) Zoltaiite, a new barium-vanadium nesosubsilicate mineral from British Columbia: Description and crystal structure American Mineralogist 90 1655-166020050293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.22Å(53)
3.100Å(70)
2.785Å(100)
2.679Å(62)
2.402Å(48)
2.190Å(97)
1.934Å(75)
Comments:
From type description.

Type Occurrence of ZoltaiiteHide

Geological Setting of Type Material:
Greenschist facies metamorphic rock.
Associated Minerals at Type Locality:
Reference:
Bartholomew, P.R., Mancini, F., Cahill, C., Harlow, G.E. and Bernhardt, H.-J. (2005) Zoltaiite, a new barium-vanadium nesosubsilicate mineral from British Columbia: Description and crystal structure. American Mineralogist: 90: 1655-1660.

Synonyms of ZoltaiiteHide

Other Language Names for ZoltaiiteHide

Related Minerals - Nickel-Strunz GroupingHide

9.AG.EdgrewiteCa9(SiO4)4F2Mon. 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.15VanadomalayaiteCaV4+(SiO4)OMon.
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)Mon. 2/m : P21/b
9.AG.45Törnebohmite-(La)(La,Ce)2Al(SiO4)2(OH)
9.AG.50Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5Tric. 1 : P1
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.90Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

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 ZoltaiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bartholomew, P.R., Mancini, F., Cahill, C., Harlow, G.E. and Bernhardt, H.-J. (2005) Zoltaiite, a new barium-vanadium nesosubsilicate mineral from British Columbia: Description and crystal structure. American Mineralogist: 90: 1655-1660.

Internet Links for ZoltaiiteHide

Localities for ZoltaiiteHide

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.
Canada (TL)
 
  • British Columbia
    • Revelstoke Mining Division
BARTHOLOMEW, P.R., MANCINI, F., CAHILL, C., HARLOW, G.E. & BERNHARDT, H.-J. (2005): Zoltaiite, a new barium-vanadium nesosubsilicate mineral from British Columbia: Description and crystal structure. American Mineralogist 90, 1655-1660.
 
Mineral and/or Locality  
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