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Vimsite

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Formula:
CaB2O2(OH)4
System:
Monoclinic
Colour:
Colourless
Lustre:
Vitreous
Hardness:
4
Name:
Named after VIMS, the transliterated acronym for the All-Union Research Institute of Mineral Resources (Russia).
This page provides mineralogical data about Vimsite.


Classification of Vimsite

Approved
Approval Year:
1968
6.BC.15

6 : BORATES
B : Diborates
C : Ino-diborates with triangles and/or tetrahedra
25.1.5.1

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
9.3.5

9 : Borates
3 : Borates of Ca and Sr

Physical Properties of Vimsite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless
Hardness (Mohs):
4

Optical Data of Vimsite

Type:
Biaxial (-)
RI values:
nα = 1.585 nβ = 1.614 nγ = 1.614
2V:
Measured: 28°
Max Birefringence:
δ = 0.029
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
small

Chemical Properties of Vimsite

Formula:
CaB2O2(OH)4
Elements listed in formula:

Crystallography of Vimsite

Crystal System:
Monoclinic
Cell Parameters:
a = 10.02Å, b = 9.71Å, c = 4.44Å
β = 92°
Ratio:
a:b:c = 1.032 : 1 : 0.457
Unit Cell Volume:
V 431.72 ų (Calculated from Unit Cell)

Type Occurrence of Vimsite

General Appearance of Type Material:
crystals
Associated Minerals at Type Locality:

Relationship of Vimsite to other Species

9.3.1CalciboriteCaB2O4
9.3.2SibirskiteCaHBO3
9.3.3FabianiteCaB3O5(OH)
9.3.4UralboriteCaB2O2(OH)4
9.3.6OlshanskyiteCa2[B3O3(OH)6]OH · 3H2O
9.3.7FroloviteCa[B(OH)4]2
9.3.8KorzhinskiteCaB2O4 · 0.5H2O
9.3.9TyretskiteCa2B5O9(OH) · H2O
9.3.10NifontoviteCa3[BO(OH)2]6 · 2H2O
9.3.12InyoiteCaB3O3(OH)5 · 4H2O
9.3.13GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
9.3.14ColemaniteCaB3O4(OH)3 · H2O
9.3.15PentahydroboriteCaB2O(OH)6 · 2H2O
9.3.16HexahydroboriteCa[B(OH)4]2 · 2H2O
9.3.17MeyerhofferiteCaB3O3(OH)5 · H2O
9.3.18PriceiteCa2B5O7(OH)5 · H2O
9.3.19GinoriteCa2B14O20(OH)6 · 5H2O
9.3.20ProbertiteNaCaB5O7(OH)4 · 3H2O
9.3.21UlexiteNaCaB5O6(OH)6 · 5H2O
9.3.22HydroboraciteCaMg[B3O4(OH)3]2 · 3H2O
9.3.23InderboriteCaMg[B3O3(OH)5]2 · 6H2O
9.3.24WardsmithiteCa5Mg(B4O7)6 · 30H2O
9.3.25HenmiliteCa2Cu[B(OH)4]2(OH)4
9.3.26StrontioboriteSrB8O11(OH)4
9.3.27VeatchiteSr2[B5O8(OH)]2B(OH)3 · H2O
9.3.28Veatchite-ASr2B11O16(OH)5 · H2O
9.3.29 P-VeatchiteSr2B11O16(OH)5 · H2O
9.3.30 BalavinskiteSr2B6O11 · 4H2O
9.3.31TunelliteSrB6O9(OH)2 · 3H2O
9.3.32StrontioginoriteSrCaB14O20(OH)6 · 5H2O

Other Names for Vimsite

Name in Other Languages:
German:Vimsit
Russian:Вимсит
Simplified Chinese:维羟硼钙石
Spanish:Vimsita
Traditional Chinese:維羥硼鈣石

Other Information

IR Spectrum:
Solongo material [cm-1]: 3560s, 3340, 3250, 1291, 1240sh, 1191, 1160sh, 1072s, 968s, 944s, 920sh, 807, 718, 646, 602, 500sh, 401
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 Vimsite

Reference List:
Doklady Akademii Nauk SSSR (1968): 182: 821-824.

American Mineralogist (1969): 54: 1219-1220.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

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

Internet Links for Vimsite

mindat.org URL:
https://www.mindat.org/min-4183.html
Please feel free to link to this page.

Localities for Vimsite

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
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Vitim Plateau
[AmMin 85:1322]; American Mineralogist, Volume 87, pages 1509–1513, 2002
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
D.P. Shaskin et al.: Doklady Acad. Nauk SSR 182:821-824 + 1402-1405 (1968); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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