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Frolovite

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This page provides mineralogical data about Frolovite.


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Classification of FroloviteHide

Approved, 'Grandfathered' (first described prior to 1959)
6.AC.20

6 : BORATES
A : Monoborates
C : B(O,OH)4, without and with additional anions; 1(T), 1(T)+OH, etc
25.1.3.1

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
9.3.7

9 : Borates
3 : Borates of Ca and Sr

Physical Properties of FroloviteHide

Hardness:
3½ on Mohs scale

Optical Data of FroloviteHide

Type:
Biaxial
RI values:
nα = 1.563 nβ = 1.572 nγ = 1.586
2V:
Measured: 70° , Calculated: 80°
Max Birefringence:
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
strong

Chemical Properties of FroloviteHide

Formula:
Ca[B(OH)4]2

Crystallography of FroloviteHide

Crystal System:
Triclinic

Type Occurrence of FroloviteHide

Synonyms of FroloviteHide

Other Language Names for FroloviteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Fedorovskite1 photo of Frolovite associated with Fedorovskite on mindat.org.
Kurchatovite1 photo of Frolovite associated with Kurchatovite on mindat.org.
Pentahydroborite1 photo of Frolovite associated with Pentahydroborite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

6.AC.05SinhaliteMgAl(BO4)Orth. mmm (2/m 2/m 2/m) : Pnma
6.AC.10PseudosinhaliteMg2Al3(BO3)2(OH)O3Mon.
6.AC.15Béhierite(Ta5+,Nb5+)(BO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
6.AC.15Schiavinatoite(Nb,Ta)(BO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
6.AC.25HexahydroboriteCa[B(OH)4]2 · 2H2O or CaB2O4 · 6H2OMon. 2/m : B2/b
6.AC.30HenmiliteCa2Cu[B(OH)4]2(OH)4Tric.
6.AC.35BandyliteCu[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
6.AC.40TeepleiteNa2[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
6.AC.45Moydite-(Y)Y[B(OH)4](CO3)Orth. mmm (2/m 2/m 2/m) : Pbca
6.AC.50CarboboriteCa2Mg[B(OH)4]2(CO3)2 · 4H2OMon.
6.AC.55SulfoboriteMg3[B(OH)4]2(SO4)(OH,F)2Orth. mm2
6.AC.60LüneburgiteMg3[B2(OH)6](PO4)2 · 6H2OTric.
6.AC.65SeamaniteMn2+3[B(OH)4](PO4)(OH)2Orth. mmm (2/m 2/m 2/m)
6.AC.70CahniteCa2[B(OH)4](AsO4)Tet. 4 : P4

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.3.1CalciboriteCa(B2O4)Orth.
9.3.2SibirskiteCa2(HB2O5)(OH)Mon.
9.3.3FabianiteCaB3O5OHMon. 2/m : P21/b
9.3.4UralboriteCa2[B3O3(OH)5 · OB(OH)3]Mon.
9.3.5VimsiteCaB2O2(OH)4Mon.
9.3.6OlshanskyiteCa2[B3O3(OH)6](OH) · 3H2O
9.3.8KorzhinskiteCa(B2O4) · H2O
9.3.9TyretskiteCa2B5O9OH · H2OTric.
9.3.10NifontoviteCa3B6O6(OH)12(H2O)2Mon.
9.3.12InyoiteCa(H4B3O7)(OH) · 4H2OMon. 2/m
9.3.13GoweriteCa[B5O8(OH)][B(OH)3] · 3H2OMon.
9.3.14ColemaniteCa[B3O4(OH)3] · H2OMon. 2/m : P21/b
9.3.15PentahydroboriteCaB2O(OH)6 · 2H2OTric.
9.3.16HexahydroboriteCa[B(OH)4]2 · 2H2O or CaB2O4 · 6H2OMon. 2/m : B2/b
9.3.17MeyerhofferiteCa2(H3B3O7)2 · 4H2OTric. 1 : P1
9.3.18PriceiteCa2B5O7(OH)5 · H2OMon. 2/m : P21/b
9.3.19GinoriteCa2B14O20(OH)6 · 5H2OMon.
9.3.20ProbertiteNaCaB5O7(OH)4 · 3H2OMon. 2/m
9.3.21UlexiteNaCa[B5O6(OH)6] · 5H2OTric. 1 : P1
9.3.22HydroboraciteCaMg[B3O4(OH)3]2 · 3H2OMon.
9.3.23InderboriteCaMg(H3B3O7)2 · 8H2OMon. 2/m
9.3.24WardsmithiteCa5Mg[B4O7]6 · 30H2OHex.
9.3.25HenmiliteCa2Cu[B(OH)4]2(OH)4Tric.
9.3.26StrontioboriteSrB8O11(OH)4Mon.
9.3.27VeatchiteSr2B11O16(OH)5 · H2OMon. m : Bb
9.3.28Veatchite-ASr2B11O16(OH)5 · H2OTric.
9.3.29 P-VeatchiteSr2B11O16(OH)5 · H2O
9.3.30 BalavinskiteSr2B6O11 · 4H2O
9.3.31TunelliteSrB6O9(OH)2 · 3H2OMon. 2/m : P21/b
9.3.32StrontioginoriteCaSrB14O20(OH)6 · 5H2OMon. 2/m : P21/b

Other InformationHide

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 FroloviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1958): 43: 385.
Soviet Physics – Doklady: 21: 471-473.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for FroloviteHide

Localities for FroloviteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Japan
 
  • Honshu Island
    • Chugoku Region
      • Okayama Prefecture
        • Takahashi City
          • Bicchu-cho (Bitchu-cho)
            • Fuka
Mineralogical Record: 27: 306.; Journal of Mineralogical and Petrological Sciences Vol. 99 (2004) , No. 2 April 67-71; Mineralogical Journal Vol. 17 (1994) , No. 7 pp 330-337; I. Kusachi, Y. Takechi, C. Henmi and S. Kobayashi (1998) Parasibirskite, a New Mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine 62:521-525.; Ando, T., Kanayama, A., Kobayashi, S., Miyawaki, R., Kishi, S., Tanabe, M., & Kusachi, I. (2015). Roweite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 110(1), 29-34.
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Vitim Plateau
[AmMin 85:1322]; American Mineralogist, Volume 87, pages 1509–1513, 2002; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
[Zap. Vses. Mineral. Obshch., 86, 622–625 (in Russian); Amer. Mineral. (1958) 43, 385–386; AmMin 85:1322]; 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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