Input interpretation
banalsite (mineral)
Image
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General properties
formula | BaNa_2Al_4Si_4O_16 discovery year | 1944
Basic properties
density | 3.065 g/cm^3 transparency | translucent | transparent birefringence | 0.008 luster | vitreous | pearly Mohs hardness | 6 streak | white magnetism | nonmagnetic color | white molar mass | 659.6 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | VIII/J.07-100 Dana ID | 76.1.6.1 ICSD number | ICSD4447
Crystallographic properties
crystal system | orthorhombic crystal class | 2/m2/m2/m unit cell volume | 1418 Å^3 (cubic ångströms) d-spacing | 2.07 Å (ångströms) | 3.19 Å (ångströms) | 3.5 Å (ångströms) intensity | 100% | 100% | 100% molecules per unit cell | 4 molecules per cell 2V angle | 31 π/120 radians≈93/2° (degrees) refractive indices | 1.57 | 0 | 0 | 0 | 0 | 0 dispersion | r > v unit cell lengths | 8.5 Å (ångströms) | 9.97 Å (ångströms) | 16.73 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 90° (degrees)