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Vitimite

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Formula:
Ca6[(OH)14|SO4|B14O19] · 5H2O
System:
Monoclinic
Colour:
White
Hardness:
Name:
For the Vitimskoe plateau, Buryatia, Transbaikal region, Russia, on which the type locality is situated.
This page provides mineralogical data about Vitimite.

Classification of Vitimite

Approved
Approval Year:
2001
6.H0.45

6 : BORATES
H : Unclassified borates
0 :
mindat.org URL:
http://www.mindat.org/min-25601.html
Please feel free to link to this page.

Type Occurrence of Vitimite

General Appearance of Type Material:
fibrous aggregates to 0.2 mm
Geological Setting of Type Material:
veinlets in fedorovskite (borehole, 129.4 m depth)

Physical Properties of Vitimite

Vitreous, Silky
Diaphaneity (Transparency):
Transparent
Colour:
White
Streak:
white
Hardness (Mohs):
Tenacity:
Sectile
Fracture:
Fibrous
Density:
2.29(3) g/cm3 (Measured)    2.24(3) g/cm3 (Calculated)

Crystallography of Vitimite

Crystal System:
Monoclinic
Cell Parameters:
a = 14.10(2) Å, b = 19.53(1) Å, c = 14.05(2) Å
β = 120.39°
Ratio:
a:b:c = 0.722 : 1 : 0.719
Unit Cell Volume:
V 3,337.40 ų (Calculated from Unit Cell)
Z:
4
Morphology:
fibrous aggregates
Comment:
P2/m, P2 or Pm; pseudohexagonal
X-Ray Powder Diffraction Data:
d-spacingIntensity
12.2(100)
3.45(50)
3.063(60)
2.720(70)
1.992(50)

Optical Data of Vitimite

Type:
Biaxial (-)
RI values:
nα = 1.532(3) nβ = 1.537(1) nγ = 1.540(1)
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of Vitimite

Formula:
Ca6[(OH)14|SO4|B14O19] · 5H2O
All elements listed in formula:
Analytical Data:
borehole material (129.4 m depth)
Empirical Formula:
Ca6.23B13.98O19.24(SO4)(OH)13.91 · 4.78H2O

Relationship of Vitimite to other Species

6.H0.10Braitschite-(Ce)(Ca,Na2)7(Ce,La)2B22O43 · 7H2O
6.H0.25WardsmithiteCa5Mg[B4O7]6 · 30H2O
6.H0.35HalurgiteMg2[B4O7]2 · 5H2O
6.H0.40EkateriniteCa2(B4O7)(Cl,OH)2 · 2H2O
6.H0.50CanavesiteMg2(HBO3)(CO3) · 5H2O
6.H0.55QilianshaniteNaHCO3 · H3BO3 · 2H2O

Other Names for Vitimite

Name in Other Languages:
German:Vitimit

Other Information

IR Spectrum:
borehole material (129.4 m depth) [cm-1]: 3570sh, 3535, 3435, 3220sh, 1650w, 1185s, 1103s, 1041s, 964s, 898, 835sh, 782, 716w, 686w, 621, 549w, 538w, 500w, 465sh
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 Vitimite

Reference List:
Chukanov N.V. et al. (2002), Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 131(4): 41-46.

Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.

Internet Links for Vitimite

Localities for Vitimite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Russia (TL)
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Vitim Plateau
Lapis 29(1), 47 (2004)
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
Lapis 29(1), 47 (2004)
Mineral and/or Locality  
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