Input interpretation
alumoklyuchevskite (mineral) | metavoltine (mineral)
Image
Image
General properties
| alumoklyuchevskite | metavoltine alternate names | aluminoklyuchevskite | mausite | metavoltaite | α-metavoltine formula | K_3Cu_3AlO_2(SO_4)_4 | K_4Na_4(Fe^(2+), Zn)Fe^(3+)_6(SO_4)_12O_2·20(H_2O) discovery year | 1995 | 1883
Basic properties
| alumoklyuchevskite | metavoltine density | 3.1 g/cm^3 | 2.5 g/cm^3 transparency | transparent | transparent | translucent birefringence | 0.099 | 0.0145 luster | vitreous | resinous Mohs hardness | 2.25 | 2.5 streak | light green | brownish yellow magnetism | nonmagnetic | nonmagnetic color | dark green | greenish brown | yellow brown | orange brown | lemon molar mass | 751.2 g/mol | 2189 g/mol
Units
Mineral identifiers
| alumoklyuchevskite | metavoltine Strunz ID | VI/B.05-45 | VI/D.14-10 Dana ID | 28.4.6.2 | 29.4.6.1 IMA number | IMA1993-004 | ICSD number | | ICSD8270
Crystallographic properties
| alumoklyuchevskite | metavoltine crystal system | monoclinic | trigonal crystal class | 2 | 3 unit cell volume | 1737 Å^3 (cubic ångströms) | 1427 Å^3 (cubic ångströms) d-spacing | 9.04 Å (ångströms) | 9.15 Å (ångströms) | 3.781 Å (ångströms) | 9.08 Å (ångströms) | 18.2 Å (ångströms) | 2.018 Å (ångströms) intensity | 100% | 84% | 37% | 100% | 80% | 40% molecules per unit cell | 4 molecules per cell | 1 molecule per cell 2V angle | π/6 radians≈30° (degrees) | refractive indices | 1.542 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.592 | 1.577 | 0 dispersion | weak | unit cell lengths | 18.43 Å (ångströms) | 5.139 Å (ångströms) | 18.69 Å (ångströms) | 9.545 Å (ångströms) | 18.09 Å (ångströms) | 18.09 Å (ångströms) unit cell angles | 90° (degrees) | 101.1° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees) | 120° (degrees)