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Calciborite

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Formula:
Ca(B2O4)
Crystal System:
Orthorhombic
Name:
The name alludes to the composition, containing CALCIum and BORon.
Calcium Metaborate


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Classification of CalciboriteHide

Approved, 'Grandfathered' (first described prior to 1959)
6.BC.10

6 : BORATES
B : Diborates
C : Ino-diborates with triangles and/or tetrahedra
24.5.2.1

24 : ANHYDROUS BORATES
5 : Miscellaneous
9.3.1

9 : Borates
3 : Borates of Ca and Sr

Optical Data of CalciboriteHide

Type:
Biaxial (-)
RI values:
nα = 1.595 nβ = 1.654 nγ = 1.670
2V:
Measured: 54° , Calculated: 52°
Max Birefringence:
δ = 0.075
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v or r < v

Chemical Properties of CalciboriteHide

Formula:
Ca(B2O4)
IMA Formula:
CaB2O4

Crystallography of CalciboriteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.38 Å, b = 13.82 Å, c = 5 Å
Ratio:
a:b:c = 0.606 : 1 : 0.362
Unit Cell V:
579.06 ų (Calculated from Unit Cell)

Type Occurrence of CalciboriteHide

Other Language Names for CalciboriteHide

Related Minerals - Nickel-Strunz GroupingHide

6.BC.15VimsiteCaB2O2(OH)4Mon.
6.BC.20SibirskiteCa2(HB2O5)(OH)Mon.
6.BC.20ParasibirskiteCa2(B2O5) · H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

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
9.3.7FroloviteCa[B(OH)4]2Tric.
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 CalciboriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1956): 41: 815.
American Mineralogist (1964): 49: 820.
Soviet Physics – Doklady: 15: 1003-1005.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Kobayashi, S., Ando, T., Kanayama, A., Tanabe, M., Kishi, S., Kusachi, I. (2014): Calciborite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 109, 13-17.

Internet Links for CalciboriteHide

Localities for CalciboriteHide

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
Kobayashi, S., Ando, T., Kanayama, A., Tanabe, M., Kishi, S., Kusachi, I. (2014): Calciborite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 109, 13-17.
Russia (TL)
 
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
[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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