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Metaborite

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About MetaboriteHide

Formula:
HBO2
Colour:
Colourless, brownish
Lustre:
Vitreous
Hardness:
5
Crystal System:
Isometric
Name:
Named for being naturally occurring metaboric acid. The meta refers to a dehydrated state of boric acid.
Dimorph of clinometaborite.


Classification of MetaboriteHide

Approved
6.GD.10

6 : BORATES
G : Heptaborates and other megaborates
D : Mega-tektoborates
24.5.1.1

24 : ANHYDROUS BORATES
5 : Miscellaneous
9.1.2

9 : Borates
1 : Borates of the alkalis and boric acid

Physical Properties of MetaboriteHide

Vitreous
Colour:
Colourless, brownish
Hardness:

Optical Data of MetaboriteHide

Type:
Isotropic

Chemical Properties of MetaboriteHide

Formula:
HBO2

Crystallography of MetaboriteHide

Crystal System:
Isometric
Cell Parameters:
a = 8.88 Å
Unit Cell V:
700.23 ų (Calculated from Unit Cell)

Type Occurrence of MetaboriteHide

Other Language Names for MetaboriteHide

German:Metaborit
Simplified Chinese:偏硼石
Spanish:Metaborita

Related Minerals - Nickel-Strunz GroupingHide

6.GD.05PringleiteCa9B26O34(OH)24Cl4 · 13H2OTric.
6.GD.05RuitenbergiteCa9B26O34(OH)24Cl4 · 13H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.1.1SassoliteH3BO3Tric. 1 : P1
9.1.3DiomigniteLi2[B4O7]Tet.
9.1.4BiringucciteNa2B5O8(OH) · H2OMon.
9.1.5NasiniteNa2[B5O8(OH)] · 2H2OOrth.
9.1.6KerniteNa2[B4O6(OH)2] · 3H2OMon. 2/m : P2/b
9.1.7EzcurriteNa4B10O17 · 7H2OTric. 1 : P1
9.1.8TincalconiteNa2(B4O7) · 5H2OTrig. 3 2 : R3 2
9.1.9BoraxNa2(B4O5)(OH)4 · 8H2OMon. 2/m : B2/b
9.1.10AmeghiniteNa(H4B3O7)Mon.
9.1.11SborgiteNa[B5O6(OH)4] · 3H2OMon.
9.1.12AristarainiteNa2MgB12O20 · 8H2OMon. 2/m : P21/b
9.1.13SantiteK[B5O6(OH)4] · 2H2OOrth.
9.1.14Larderellite(NH4)B5O7(OH)2 · H2OMon.
9.1.15Ammonioborite(NH4)2[B5O6(OH)4]2 · H2OMon. 2/m : B2/b
9.1.16Rhodizite(K,Cs)Al4Be4(B,Be)12O28Iso. 4 3m : P4 3m

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 MetaboriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zachariasen, W.H. (1963) The crystal structure of cubic metaboric acid. Acta Crystallographica: 16: 380-384.
Peters, C.R., Milberg, M.E. (1964) The refined structure of orthorhombic metaboric acid. Acta Crystallographica: 17: 229-234.
Lobanova, V.V., Avrova, N.P. (1964) The new mineral metaborite — natural metaboric acid. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 93(3): 329-334.
Fleischer, M., Mandarino, J.A., Strunz, H., Cech, F. (1965) New mineral names. American Mineralogist: 50: 261-268.
International Mineralogical Association (1967) Commission on new minerals and mineral names. Mineralogical Magazine: 36: 131-136.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Freyhardt, C.C., Wiebcke, M., Felsche, J. (2000) The monoclinic and cubic phases of metaboric acid (precise redeterminations). Acta Crystallographica: C56: 276-278.

Internet Links for MetaboriteHide

Localities for MetaboriteHide

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.
Finland
 
  • Southern Finland Region
    • Hattula
Al-Ani, Thair and Aittola, Timo (2013). Mineralogical analysis of heavy minerals from selected till samples of Häme Belt, Souiheern Finland. Geological Survey of Finland, archive report 167/2013
Italy
 
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Campostrini I. et al - Vulcano: ein aussergewohnlicher Fundpunkt von neuen und seltenen Mineralien - MineralienWelt 2010 - nr.3 - p.40-57
Kazakhstan (TL)
 
  • Aktobe
    • Aksai Valley
American Mineralogist (1965): 50: 261-262.; Handbook of Mineralogy Vol V p 6; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Zheleznogorsk (Korshunikha)
Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284.; Mazurov et al (2007) Geology of Ore Deposits, 49, 271–284.
Mineral and/or Locality  
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