Vitimite
A valid IMA mineral species
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About Vitimite
Formula:
Ca6[B14O19](SO4)(OH)14 · 5H2O
Colour:
White
Lustre:
Vitreous, Silky
Hardness:
1½
Specific Gravity:
2.29
Crystal System:
Monoclinic
Name:
For the Vitimskoe plateau, Buryatia, Transbaikal region, Russia, on which the type locality is situated.
This page provides mineralogical data about Vitimite.
Unique Identifiers
Mindat ID:
25601
Long-form identifier:
mindat:1:1:25601:2
GUID
(UUID V4):
(UUID V4):
687b1b80-d808-408d-a35e-84d589b7f93d
Classification of Vitimite
Approved
Approval year:
2001
First published:
2002
6.H0.45
6 : BORATES
H : Unclassified borates
0 :
6 : BORATES
H : Unclassified borates
0 :
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Vti | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Vitimite
Vitreous, Silky
Transparency:
Transparent
Colour:
White
Streak:
White
Hardness:
1½ on Mohs scale
Tenacity:
Sectile
Cleavage:
None Observed
Fracture:
Fibrous
Density:
2.29(3) g/cm3 (Measured) 2.24(3) g/cm3 (Calculated)
Optical Data of Vitimite
Type:
Biaxial (-)
RI values:
nα = 1.532(3) nβ = 1.537(1) nγ = 1.540(1)
2V:
Measured: 75° (15), Calculated: 75°
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
Moderate, r > v
Optical Extinction:
Z ∧ b = 5°.
Chemical Properties of Vitimite
Formula:
Ca6[B14O19](SO4)(OH)14 · 5H2O
IMA Formula:
Ca6B14O19(SO4)(OH)14 · 5H2O
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°
β = 120.39°
Ratio:
a:b:c = 0.722 : 1 : 0.719
Unit Cell V:
3,337.40 ų (Calculated from Unit Cell)
Z:
4
Morphology:
fibrous aggregates
Comment:
space group P2/m, P2 or Pm; pseudohexagonal
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
12.2 Å | (100) |
3.45 Å | (50) |
3.063 Å | (60) |
2.720 Å | (70) |
1.992 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) |
Type Occurrence of Vitimite
General Appearance of Type Material:
Fibrous aggregates to 0.2 mm.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow,
Russia.
Russia.
Geological Setting of Type Material:
Veinlets in fedorovskite (borehole, 129.4 m depth).
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Pekov, I.V., Malinko, S.V., Zadov, A.E., Dubinchuk, V.T. (2002) Vitimite, Ca6B14O19[SO4](OH)14·5H2O, a new mineral, and conditions of its formation in Solongo Deposit, Buryatia. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 131(4): 41-46.
Synonyms of Vitimite
Other Language Names for Vitimite
German:Vitimit
Related Minerals - Strunz-mindat Grouping
6.H0.05 | Chelkarite | CaMgB2O4(Cl,OH)2 · 5H2O Or near, with Cl:OH = 3:1 | Orth. mmm (2/m 2/m 2/m) : Pbca |
6.H0.10 | Braitschite-(Ce) | (Ca,Na2)7(Ce,La)2B22O43 · 7H2O | Hex. 6/m : P6/m |
6.H0.15 | Satimolite | KNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4 · 4H2O | Trig. 3m (3 2/m) : R3m |
6.H0.20 | Iquiqueite | K3Na4Mg(CrO4)B24O39(OH) · 12H2O | Trig. 3m : P3 1c |
6.H0.25 | Wardsmithite | Ca5Mg[B4O7]6 · 30H2O | Hex. |
6.H0.35 | Halurgite | Mg4[B8O13(OH)2]2 · 7H2O | Mon. 2/m : P2/b |
6.H0.40 | Ekaterinite | Ca2(B4O7)(Cl,OH)2 · 2H2O | Hex. 6 : P6 |
6.H0.50 | Canavesite | Mg2(HBO3)(CO3) · 5H2O | Mon. |
6.H0.55 | Qilianshanite | NaHCO3 · H3BO3 · 2H2O | Mon. 2 : B2 |
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.
Internet Links for Vitimite
mindat.org URL:
https://www.mindat.org/min-25601.html
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References for Vitimite
Reference List:
Localities for Vitimite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
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Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia