Input interpretation
svyatoslavite (mineral) | népouite (mineral)
Image
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General properties
| svyatoslavite | népouite alternate names | (none) | lizardite-Ni | lizardite-nickel formula | CaAl_2Si_2O_8 | Ni_3Si_2O_5(OH)_4 discovery year | 1989 |
Basic properties
| svyatoslavite | népouite density | 2.695 g/cm^3 | 2.85 g/cm^3 transparency | transparent | translucent | subtranslucent birefringence | 0.029 | 0.0275 luster | vitreous | vitreous | pearly Mohs hardness | 6 | 2.25 streak | white | greenish white magnetism | nonmagnetic | nonmagnetic color | colorless | pale green | deep green molar mass | 278.2 g/mol | 380.3 g/mol
Units
Mineral identifiers
| svyatoslavite | népouite Strunz ID | VIII/J.07-80 | VIII/H.27-150 Dana ID | 76.1.6.4 | 71.1.2b.3 IMA number | IMA1988-012 |
Crystallographic properties
| svyatoslavite | népouite crystal system | monoclinic | orthorhombic crystal class | 2 | mm2 unit cell volume | 342.4 Å^3 (cubic ångströms) | 355.2 Å^3 (cubic ångströms) d-spacing | 3.22 Å (ångströms) | 2.09 Å (ångströms) | 4.16 Å (ångströms) | 7.31 Å (ångströms) | 3.63 Å (ångströms) | 2.501 Å (ångströms) | 1.53 Å (ångströms) | 2.894 Å (ångströms) | 4.55 Å (ångströms) | 2.321 Å (ångströms) intensity | 100% | 80% | 80% | 100% | 90% | 70% | 60% | 60% | 50% | 40% molecules per unit cell | 2 molecules per cell | 2 molecules per cell 2V angle | 73 π/360 radians≈73/2° (degrees) | π/36 radians≈5° (degrees) refractive indices | 1.552 | 0 | 0 | 0 | 0 | 0 | 1.615 | 0 | 1.643 | 0 | 0 | 0 dispersion | strong | weak | moderate | r > v unit cell lengths | 8.228 Å (ångströms) | 8.621 Å (ångströms) | 4.827 Å (ångströms) | 5.31 Å (ångströms) | 9.2 Å (ångströms) | 7.27 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees)