Input interpretation
adamsite-(Y) (mineral)
General properties
formula | NaY(CO_3)_2·6(H_2O)
Basic properties
density | 2.18 g/cm^3 transparency | translucent | transparent birefringence | 0.091 luster | vitreous Mohs hardness | 3 streak | white magnetism | nonmagnetic color | colorless | white | pale pink | pale purple fracture | brittle molar mass | 344.2 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | V/D.03-02 Dana ID | 15.4.8.1 IMA number | IMA1999-020 ICSD number | ICSD90832
Crystallographic properties
crystal system | triclinic crystal class | 1 unit cell volume | 1049 Å^3 (cubic ångströms) d-spacing | 12.81 Å (ångströms) | 6.45 Å (ångströms) | 2.571 Å (ångströms) | 4.29 Å (ångströms) | 4.456 Å (ångströms) | 2.05 Å (ångströms) | 2.869 Å (ångströms) | 3.267 Å (ångströms) intensity | 100% | 70% | 60% | 60% | 60% | 50% | 30% | 25% molecules per unit cell | 4 molecules per cell 2V angle | 3 π/10 radians≈54° (degrees) refractive indices | 1.48 | 0 | 0 | 0 | 0 | 0 dispersion | none unit cell lengths | 6.262 Å (ångströms) | 13.05 Å (ångströms) | 13.22 Å (ångströms) unit cell angles | 91.17° (degrees) | 103.7° (degrees) | 89.99° (degrees)
Wikipedia summary
Adamsite-(Y) (previously IMA 1999-020), chemical formula NaY(CO_3)_2·6H_2O is a mineral of sodium, yttrium, carbon, oxygen, and hydrogen. It is named after Frank Dawson Adams (1859-1942), professor of geology, McGill University. Its Mohs scale rating is 3.