Input interpretation
liddicoatite (mineral) | jennite (mineral)
Images
Images
General properties
| liddicoatite | jennite formula | Ca(Li, Al)_3Al_6(BO_3)_3Si_6O_18(O, OH, F)_4 | Ca_9Si_6O_18(OH)_6·8H_2O discovery year | 1977 | 1966
Basic properties
| liddicoatite | jennite density | 3.02 g/cm^3 | 2.325 g/cm^3 transparency | transparent | subtranslucent | transparent | translucent birefringence | 0.016 | 0.0205 luster | vitreous | vitreous Mohs hardness | 7.5 | 3.5 tenacity | brittle | streak | white | white magnetism | nonmagnetic | nonmagnetic color | blue | brown | green | pink | red | white fracture | conchoidal | uneven | molar mass | 917.5 g/mol | 1063 g/mol
Units
Mineral identifiers
| liddicoatite | jennite Strunz ID | VIII/E.19-80 | VIII/D.18-10 Dana ID | 61.3b.1.2 | 56.2.4.11 IMA number | IMA1976-041 | IMA1965-021
Crystallographic properties
| liddicoatite | jennite crystal system | trigonal | triclinic crystal class | 3m | 1 unit cell volume | 1555 Å^3 (cubic ångströms) | 769.9 Å^3 (cubic ångströms) d-spacing | 2.933 Å (ångströms) | 2.559 Å (ångströms) | 3.962 Å (ångströms) | 3.445 Å (ångströms) | 4.197 Å (ångströms) | 2.025 Å (ångströms) | 1.905 Å (ångströms) | 10.5 Å (ångströms) | 2.92 Å (ångströms) | 3.04 Å (ångströms) intensity | 100% | 85% | 55% | 50% | 50% | 40% | 35% | 100% | 80% | 60% molecules per unit cell | 3 molecules per cell | 1 molecule per cell 2V angle | | 73 π/180 radians≈73° (degrees) refractive indices | 0 | 0 | 0 | 0 | 1.621 | 0 | 1.55 | 1.563 | 1.571 | 0 | 0 | 0 dispersion | | r < v | strong unit cell lengths | 15.88 Å (ångströms) | 7.126 Å (ångströms) | 7.126 Å (ångströms) | 10.58 Å (ångströms) | 7.265 Å (ångströms) | 10.93 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 120° (degrees) | 101.3° (degrees) | 96.98° (degrees) | 109.7° (degrees)