Input interpretation
aluminocopiapite (mineral) | nickelalumite (mineral)
Image
Image
General properties
_12·3(H_2O) discovery year | 1947 | 1980](../image_source/9e584d19e9e273a517c7ae26b2e0b9a2.png)
| aluminocopiapite | nickelalumite formula | Al_(2/3)Fe^(3+)_4(SO_4)_6O(OH)_2·20(H_2O) | (Ni, Cu)Al_4[(SO_4), (NO_3)_2](OH)_12·3(H_2O) discovery year | 1947 | 1980
Basic properties
| aluminocopiapite | nickelalumite density | 2.18 g/cm^3 | 2.24 g/cm^3 transparency | transparent | translucent | birefringence | 0.0625 | 0.011 luster | vitreous | Mohs hardness | 2.75 | 2.5 tenacity | fragile | streak | light yellow | bluish white magnetism | nonmagnetic | nonmagnetic color | yellow | sky blue molar mass | 1212 g/mol | 632.3 g/mol
Units
Mineral identifiers
| aluminocopiapite | nickelalumite Strunz ID | VI/D.10-80 | VI/D.08-60 Dana ID | 31.10.5.7 | 31.3.1.2
Crystallographic properties
| aluminocopiapite | nickelalumite crystal system | triclinic | monoclinic crystal class | 1 | 2 unit cell volume | 923.8 Å^3 (cubic ångströms) | 1540 Å^3 (cubic ångströms) d-spacing | 9.2 Å (ångströms) | 5.58 Å (ångströms) | 18.1 Å (ångströms) | 8.543 Å (ångströms) | 1.997 Å (ångströms) | 7.877 Å (ångströms) intensity | 100% | 80% | 80% | 100% | 20% | 20% molecules per unit cell | 1 molecule per cell | 4 molecules per cell 2V angle | 17 π/72 radians≈85/2° (degrees) | refractive indices | 1.529 | 0 | 0 | 0 | 0 | 0 | 1.532 | 0 | 0 | 0 | 0 | 0 dispersion | none | moderate unit cell lengths | 7.251 Å (ångströms) | 18.16 Å (ångströms) | 7.267 Å (ångströms) | 10.18 Å (ångströms) | 8.86 Å (ångströms) | 17.17 Å (ångströms) unit cell angles | 93.98° (degrees) | 102.3° (degrees) | 97.97° (degrees) | 90° (degrees) | 95.95° (degrees) | 90° (degrees)