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About BéhieriteHide

Jean Béhier
Greyish pink
7 - 7½
Specific Gravity:
Crystal System:
After Jean Béhier (1903-1965), French mineralogist, Service Géologique, Madagascar, who found the mineral in 1959.
The tantalum analogue of schiavinatoite. The second mineral with essential tantalum and boron after holtite.

Classification of BéhieriteHide


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

1 : A2XO4

9 : Borates
6 : Borates of Ti, Sn and Ta

Physical Properties of BéhieriteHide

Greyish pink
7 - 7½ on Mohs scale
Hardness Data:
{110} and {010}
7.86(5) g/cm3 (Measured)    7.91 g/cm3 (Calculated)

Optical Data of BéhieriteHide

Uniaxial (+)
nω and nε > 2

Chemical Properties of BéhieriteHide

IMA Formula:

Crystallography of BéhieriteHide

Crystal System:
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
Cell Parameters:
a = 6.206(5) Å, c = 5.472(5) Å
a:c = 1 : 0.882
Unit Cell V:
210.75 ų (Calculated from Unit Cell)
Pseudo-octahedral crystals. Forms: {011}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
4.10 (100)
3.10 (71)
2.327 (71)
2.478 (50)
1.600 (50)
1.93 (35)
Very close to schiavinatoite.

Type Occurrence of BéhieriteHide

General Appearance of Type Material:
4 grayish-pink pseudo-octahedral crystals, 0.5 to 7.0 mm in size.
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 139602.
Geological Setting of Type Material:
A complex LCT granite pegmatite hosted in a marble
Associated Minerals at Type Locality:

Synonyms of BéhieriteHide

Other Language Names for BéhieriteHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
Rubellite3 photos of Béhierite associated with Rubellite on mindat.org.
Albite3 photos of Béhierite associated with Albite on mindat.org.
Elbaite3 photos of Béhierite associated with Elbaite on mindat.org.
Quartz3 photos of Béhierite associated with Quartz on mindat.org.
Rhodizite2 photos of Béhierite associated with Rhodizite on mindat.org.
Danburite1 photo of Béhierite associated with Danburite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

6.AC.05SinhaliteMgAl(BO4)Orth. mmm (2/m 2/m 2/m) : Pnma
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.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

9.6.3NordenskiöldineCaSn4+[BO3]2Trig. 3 : R3

Other InformationHide

Insoluble in hot or cold acids.
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 BéhieriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Behier, J. (1960) Travaux mineralogiques. Republique Malgache, Rapport Annuel du Service Géologique, Tananarive: 181-199.
Fleischer, M. (1961) New mineral names. American Mineralogist: 46: 765-770.
Mrose, M.E., Rose, H.J. (1961) Behierite, (Ta,Nb)BO4, a new mineral from Manjaka, Madagascar. Geological Society of America, Abstracts Annual Meetings 1961, 111A.
Behier, J. (1962) Travaux mineralogiques. Rep. Malgache, Rapport Annuel Service Géologique, Tananarive: 257 pp.
Fleischer, M. (1962) New Mineral Names. American Mineralogist: 47: 414-420.
International Mineralogical Association (1967) Commission on new minerals and mineral names. Mineralogical Magazine: 36: 131-136.
Ranorosoa, N. (1986) Etude minéralogique et microtèrmomiques des pegmatites du champ de la Sahatany. Thèse de Doctorat de l`Université Paul Sabatier, Toulouse. 232 pp.
Range, K.J., Wildenauer, M., Heyns, A.M. (1988) Extrem kurze nichtbindende Sauerstoff-Sauerstoff-abstände: Die Kristallstrukturen von NbBO4, NaNb3O8 und NaTa3O8. Angewandte Chemie: 100: 973-975.
Pezzotta, F. (2001) Schiavinatoit und Behierit aus Madagaskar. Lapis: 10/2001: 47-48.
Hålenius, U., Hatert, F., Pasero, M., Mills, S.J. (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 28. New minerals and nomenclature modifications approved in 2015. Mineralogical Magazine: 79: 1859-1864.

Internet Links for BéhieriteHide

Localities for BéhieriteHide

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.
  • Amoron'i Mania
    • Ambositra
      • Sahatsiho-Ambohimanjaka
        • Manandona Valley
Falster, A.U. and Simmons, W.B.(2002): A second world location for behierite in Florence county, Wisconsin. Rocks & Minerals may-june 2002
  • Vakinankaratra
    • Antsirabe II
      • Ibity
        • Sahatany Valley
Larsen, K. E. (2003): Mineralene i Sahatany pegmatittfelt, Madagaskar. Norsk Bergverksmuseums Skrift. 25, 5-18; Pezzotta, F.(2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Norsk Bergverksmuseum Skrift. 35,97-98
Mrose, M.E. & Rose jr, J. (1961): Behierite, (Ta, Nb)BO4, a new mineral from Manjaka, Madagascar. Geol.Soc.Am, Abstracts 1961 Ann. Meetings, p 111A
    • Betafo
      • Andrembesoa
        • Tetezantsio-Andoabatokely Pegmatite Field
Pezzotta, Federico (2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Bergverksmuseet Skrift. 35: 97-98
Pezzotta, Federico (2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Bergverksmuseet Skrift 35,97-98
Pezzotta, F.(2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Norsk Bergverksmuseum Skrift. 35,97-98
      • Anosiarivo Manapa
        • Antsentsindrano
Demartin, F. et al (2001): Schiavinatoite,(Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy 13, 159-165
  • Wisconsin
    • Florence Co.
      • Fern
Rocks & Min. (2002) 77:170
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