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Zoltaiite

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Formula:
BaV
4+
2
V
3+
12
(SiO
 
4
)
 
2
O
 
19
System:TrigonalColour:Steel-grey to black
Hardness:6 - 7
Name:Named after Tibor Zoltai (1926 - 13 July 2003), Professor of Geology at the University of Minnesota, USA.
This page provides mineralogical data about Zoltaiite.

Classification of Zoltaiite

IMA status:Approved 2003
Nickel-Strunz 10th (pending) edition ID:9.AG.85

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

Type Locality:Wigwam deposit, Revelstoke Mining Division, British Columbia, Canada
Geological Setting of type material:Greenschist facies metamorphic rock.
Associated Minerals at type locality:
SphaleriteQuartzPyrrhotitePyriteGalena
CelsianApatite

Physical Properties of Zoltaiite

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

Crystallography of Zoltaiite

Crystal System:Trigonal
Class (H-M):3 - Rhombohedral
Space Group:P3
Cell Parameters:a = 7.6014Å, c = 9.2195Å
Ratio:a:c = 1 : 1.213
Unit Cell Volume:V 461.34 ų
X-Ray Powder Diffraction:
d-spacingIntensity
9.22(53)
3.100(70)
2.785(100)
2.679(62)
2.402(48)
2.190(97)
1.934(75)
Comments:From type description.

Optical Data of Zoltaiite

Type:Anisotropic
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%


Graph shows reflectance levels at different wavelengths (in nm). 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 Zoltaiite

Formula:
BaV
4+
2
V
3+
12
(SiO
 
4
)
 
2
O
 
19
Simplified for copy/paste:BaV4+2V3+12(SiO4)2O19
Essential elements:Ba, O, Si, V
All elements listed in formula:Ba, O, Si, V

Relationship of Zoltaiite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AG.05Abswurmbachite
CuMn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Braunite
Mn
2+
 
Mn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Neltnerite
CaMn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Braunite-II
CaMn
3+
14
(SiO
 
4
)O
 
20
9.AG.10Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
(SiO
 
4
)
 
2
O
 
16
9.AG.15Malayaite
CaSn(SiO
 
4
)O
9.AG.15Titanite
CaTi(SiO
 
4
)O
9.AG.15Vanadomalayaite
CaV
4+
 
(SiO
 
4
)O
9.AG.15Natrotitanite
(Na
 
0.5
Y
 
0.5
)Ti(SiO
 
4
)O
9.AG.20Cerite-(Ce)
(Ce,Ca)
 
9
(Mg,Fe)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.20Aluminocerite-(Ce)
(Ce,La,Ca)
 
9
(Al,Fe
3+
 
)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.25Trimounsite-(Y)
Y
 
2
Ti
 
2
(SiO
 
4
)O
 
5
9.AG.25Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)(SiO
 
4
)
 
2
O(F,OH)
 
6
9.AG.30Sitinakite
KNa
 
2
Ti
 
4
(SiO
 
4
)
 
2
O
 
5
(OH) · 4H
 
2
O
9.AG.35Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
· 9H
 
2
O
9.AG.40aNatisite
Na
 
2
Ti(SiO
 
4
)O
9.AG.40bParanatisite
Na
 
2
Ti(SiO
 
4
)O
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
(SiO
 
4
)(OH)
 
4
9.AG.60Mozartite
CaMn
3+
 
(SiO
 
4
)(OH)
9.AG.60Vuagnatite
CaAl(SiO
 
4
)(OH)
9.AG.65Hatrurite
Ca
 
3
(SiO
 
4
)O
9.AG.70Jasmundite
Ca
 
11
(SiO
 
4
)
 
4
O
 
2
S
9.AG.75Afwillite
Ca
 
3
(HSiO
 
4
)
 
2
· 2H
 
2
O
9.AG.80Bultfonteinite
Ca
 
2
(HSiO
 
4
)F · H
 
2
O
9.AG.90Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
(SiO
 
4
)
 
3
O
 
4

Other Names for Zoltaiite

Synonyms:
IMA2003-006
Other Languages:
German:Zoltaiit
Russian:Золтаиит

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 Zoltaiite

Reference List:

- +
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.

Internet Links for Zoltaiite

Search Engines:
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  • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Zoltaiite

    (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.
    Canada
     
    • 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.
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