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Olshanskyite

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Formula:
Ca2[B3O3(OH)6]OH · 3H2O
Hardness:
4
This page provides mineralogical data about Olshanskyite.


Classification of Olshanskyite

Approved
Approval Year:
1968
6.CA.55

6 : BORATES
C : Triborates
A : Neso-triborates
25.1.6.1

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
9.3.6

9 : Borates
3 : Borates of Ca and Sr

Physical Properties of Olshanskyite

Hardness (Mohs):
4

Optical Data of Olshanskyite

Type:
Biaxial (-)
RI values:
nα = 1.557 nβ = 1.568 nγ = 1.570
2V:
Measured: 54° , Calculated: 44°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of Olshanskyite

IMA Formula:
Ca2[B3O3(OH)6]OH · 3H2O
Elements listed in formula:

Type Occurrence of Olshanskyite

Relationship of Olshanskyite to other Species

6.CA.10AmeghiniteNaB3O3(OH)4
6.CA.15InderiteMgB3O3(OH)5 · 5H2O
6.CA.20KurnakoviteMgB3O3(OH)5 · 5H2O
6.CA.25InderboriteCaMg[B3O3(OH)5]2 · 6H2O
6.CA.30MeyerhofferiteCaB3O3(OH)5 · H2O
6.CA.35InyoiteCaB3O3(OH)5 · 4H2O
6.CA.40SolongoiteCa2B3O4(OH)4Cl
6.CA.45Peprossiite-(Ce)(Ce,La)(Al3O)2/3B4O10
6.CA.50NifontoviteCa3[BO(OH)2]6 · 2H2O
9.3.1CalciboriteCaB2O4
9.3.2SibirskiteCaHBO3
9.3.3FabianiteCaB3O5(OH)
9.3.4UralboriteCaB2O2(OH)4
9.3.5VimsiteCaB2O2(OH)4
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 Olshanskyite

Name in Other Languages:

Other Information

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 Olshanskyite

Reference List:
Bogomolov, M.A., I.B. Nikitina, and N.N. Pertsev (1969) Olshanskyite, a new calcium borate. Doklady Acad. Nauk SSSR, 184, 1398–1401 (in Russian)

American Mineralogist (1969): 54: 1737.

Mineralogical Magazine (1994): 58: 279.

Canadian Mineralogist (2001): 39: 137-144.

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

Internet Links for Olshanskyite

mindat.org URL:
https://www.mindat.org/min-2988.html
Please feel free to link to this page.
Specimens:
The following Olshanskyite specimens are currently listed for sale on minfind.com.

Localities for Olshanskyite

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.
China
 
  • Inner Mongolia Autonomous Region
    • Ulanhad League (Chifeng Prefecture)
      • Linxi Co.
        • Linxi
Ottens, B. & Bin, J. (2014): Seltene Boratmineralien aus der Inneren Mongolei, China. Lapis, 39 (7/8), 66-68.
Japan
 
  • Honshu Island
    • Chugoku Region
      • Okayama Prefecture
        • Takahashi City
          • Bicchu-cho (Bitchu-cho)
            • Fuka
Mineralogical Record: 27: 306.; Mineralogical Journal Vol. 21 (1999) , No. 1 pp9-14; I. Kusachi, Y. Takechi, C. Henmi and S. Kobayashi (1998) Parasibirskite, a New Mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine 62:521-525.
Russia (TL)
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
        • Dogdo River Basin
          • Tas-Khayakhtakh Range
Bogomolov, M.A., I.B. Nikitina, and N.N. Pertsev (1969) Olshanskyite, a new calcium borate. Doklady Acad. Nauk SSSR, 184, 1398–1401 (in Russian); http://maurice.strahlen.org/yakutia/yakutia.htm
Mineral and/or Locality  
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