Tag Archives: Banalsite

#46

#46

Ima2

Example – Batisite, Na2BaTi2O2[Si4O12]

Named in allusion to its chemical composition, containing Barium, Titanium, and Silicon.

Crystal structure of batisite

Nikitin A.V., Belov N.V.
Doklady Akademii Nauk SSSR 146 (1962) 1401-1403

http://webmineral.com/data/Batisite.shtml

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=14401.cif&down=cif

Batisite

 

BaO10 polyhedra (green)
NaO6/O7 polyhedra (purple)
TiO6 octahedra (blue)
SiO4 tetrahedra (yellow)

3D rotatable model of Batisite

#45

#45

Iba2

Example – Banalsite, BaNa2Al4Si4O16

Named from a contraction of the component cation symbols: Ba, Na, Al, and Si. It belongs to the group of tectosilicates.

The crystal structure of stronalsite and a redetermination of the structure of banalsite.

Liferovich R P, Locock A J, Mitchell R H, Shpachenko A K
The Canadian Mineralogist 44 (2006) 533-546

http://webmineral.com/data/Banalsite.shtml

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=06594.cif&down=cif

Banalsite

 

BaO10 irregular polyhedra (green)
NaO5 pentagonal pyramids (yellow)
AlO4 tetrahedra (blue)
SiO4 tetrahedra (orange)

3D rotatable model of Banalsite