Input interpretation
uranotungstite (mineral)
Image
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General properties
formula | (Fe^(2+), Ba, Pb)(UO_2)_2WO_4(OH)_4·12(H_2O) discovery year | 1985
Basic properties
density | 4.27 g/cm^3 transparency | translucent birefringence | 0.173 luster | pearly | dull Mohs hardness | 2 streak | yellow magnetism | nonmagnetic color | brownish | yellow | yellow brown | orange fracture | irregular molar mass | 1168 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | VI/G.07-10 Dana ID | 49.3.5.1 IMA number | IMA1984-005
Crystallographic properties
crystal system | orthorhombic crystal class | 222 unit cell volume | 912.9 Å^3 (cubic ångströms) d-spacing | 6.96 Å (ångströms) | 3.21 Å (ångströms) | 4.6 Å (ångströms) intensity | 100% | 70% | 60% molecules per unit cell | 2 molecules per cell 2V angle | 11 π/60 radians≈33° (degrees) refractive indices | 1.682 | 0 | 0 | 0 | 0 | 0 dispersion | moderate | r > v unit cell lengths | 9.22 Å (ångströms) | 13.81 Å (ångströms) | 7.17 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 90° (degrees)