Input interpretation
buttgenbachite (mineral)
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General properties
formula | Cu_19Cl_4(NO_3)_2(OH)_32·2(H_2O) discovery year | 1925
Basic properties
density | 3.42 g/cm^3 transparency | translucent birefringence | 0.014 luster | vitreous Mohs hardness | 3 streak | light blue magnetism | nonmagnetic color | azure | blue molar mass | 2053 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | III/D.03-30 Dana ID | 19.1.2.1 ICSD number | ICSD9210
Crystallographic properties
crystal system | hexagonal crystal class | 6/m2/m2/m unit cell volume | 1979 Å^3 (cubic ångströms) d-spacing | 7.95 Å (ångströms) | 2.3 Å (ångströms) | 13.7 Å (ångströms) intensity | 100% | 95% | 95% molecules per unit cell | 2 molecules per cell refractive indices | 0 | 0 | 0 | 1.738 | 0 | 0 unit cell lengths | 15.82 Å (ångströms) | 15.82 Å (ångströms) | 9.13 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 120° (degrees)