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Behierite

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Formula:
(Ta
5+
 
,Nb
5+
 
)(BO
 
4
)
System:TetragonalColour:Greyish pink
Lustre:AdamantineHardness:7 - 7½
Name:
After Jean Behier (1903-1965), French mineralogist, Service Géologique, Madagascar, who found the mineral in 1959.


The tantalum analogue of Schiavinatoite.

Classification of Behierite

IMA status:Approved
Strunz 8th edition ID:5/G.07-20
Nickel-Strunz 10th (pending) edition ID:6.AC.15

6 : BORATES
A : Monoborates
C : B(O,OH)4, without and with additional anions; 1(T), 1(T)+OH, etc
Dana 8th edition ID:24.1.2.1

24 : ANHYDROUS BORATES
1 : A2XO4
Hey's CIM Ref.:9.6.6

9 : Borates
6 : Borates of Ti, Sn and Ta
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Type Occurrence of Behierite

Type Locality:Manjaka (Ampatika; Sahananana), Sahatany Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar
Year of Discovery:1960

Physical Properties of Behierite

Lustre:Adamantine
Colour:Greyish pink
Hardness (Mohs):7 - 7½

Crystallography of Behierite

Crystal System:Tetragonal
Cell Parameters:a = 6.21Å, c = 5.48Å
Ratio:a:c = 1 : 0.882
Unit Cell Volume:V 211.33 ų (Calculated from Unit Cell)

Chemical Properties of Behierite

Formula:
(Ta
5+
 
,Nb
5+
 
)(BO
 
4
)
Simplified for copy/paste:(Ta5+,Nb5+)(BO4)
Essential elements:B, O, Ta
All elements listed in formula:B, Nb, O, Ta

Relationship of Behierite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.AC.05Sinhalite
MgAl(BO
 
4
)
6.AC.10Pseudosinhalite
Mg
 
2
Al
 
3
(BO
 
3
)
 
2
(OH)O
 
3
6.AC.15Schiavinatoite
(Nb,Ta)(BO
 
4
)
6.AC.20Frolovite
Ca[B(OH)
 
4
]
 
2
6.AC.25Hexahydroborite
Ca[B(OH)
 
4
]
 
2
· 6H
 
2
O
6.AC.30Henmilite
Ca
 
2
Cu[B(OH)
 
4
]
 
2
(OH)
 
4
6.AC.35Bandylite
Cu[B(OH)
 
4
]Cl
6.AC.40Teepleite
Na
 
2
[B(OH)
 
4
]Cl
6.AC.45Moydite-(Y)
Y[B(OH)
 
4
](CO
 
3
)
6.AC.50Carboborite
Ca
 
2
Mg[B(OH)
 
4
]
 
2
(CO
 
3
)
 
2
· 4H
 
2
O
6.AC.55Sulfoborite
Mg
 
3
[B(OH)
 
4
]
 
2
(SO
 
4
)(OH,F)
 
2
6.AC.60Lüneburgite
Mg
 
3
[B
 
2
(OH)
 
6
](PO
 
4
)
 
2
· 6H
 
2
O
6.AC.65Seamanite
Mn
2+
3
[B(OH)
 
4
](PO
 
4
)(OH)
 
2
6.AC.70Cahnite
Ca
 
2
[B(OH)
 
4
](AsO
 
4
)
Related Minerals - Hey's Index Grouping:

- +
9.6.1Warwickite
(Mg,Fe
2+
 
)
 
3
Ti(BO
 
3
)
 
2
O
 
2
9.6.2Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)(BO
 
3
)O
 
2
9.6.3Nordenskiöldine
CaSn
4+
 
[BO
 
3
]
 
2
9.6.4Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)(BO
 
3
)O
 
2
9.6.5Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)(BO
 
3
)O
 
2

Other Names for Behierite

Other Languages:
German:Behierit
Russian:Бехиерит
Spanish:Behierita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Behierite

Reference List:

- +
Behier, J. (1960): Travaux mineralogiques. Rep.Malgache, Rapport Annuel Service Géologique, Tananarive, 186-187.

American Mineralogist (1961): 46: 767.

Mrose & Rose (1961): Behierite, (Ta,Nb)BO4, a new mineral from Manjaka, Madagascar. Geological Society of America, Abstracts 1961, Ann. Meetings, 111A.

American Mineralogist (1962): 47: 414.

Behier, J. (1962): Travaux mineralogiques. Rep. Malgache, Rapport Annuel Service Géologique, Tananarive, 257 pp.

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.

Pezzotta, F.(2001): Schiavinatoit und Behierit aus Madagaskar. Lapis, 10/2001, 47-48.

Internet Links for Behierite

Search Engines:
  • Look for Behierite on Google
  • Look for Behierite images on Google
  • External Links:
  • Look for Behierite on Webmineral
  • Look for Behierite on Athena Mineralogy
  • Look for Behierite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Behierite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Behierite

    (TL) indicates type locality. ? 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.
    Madagascar
     
    • Antananarivo Province
      • Vakinankaratra Region
        • Betafo District
          • Andrembesoa Commune
            • FKT Antsentsindrano
    Demartin, F. et al (2001): Schiavinatoite,(Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy 13, 159-165
            • 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
        • Sahatany Pegmatite Field (Mt Ibity area)
          • 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
          • 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
    USA
     
    • Wisconsin
      • Florence Co.
        • Fern
    Rocks & Min. (2002) 77:170
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