Input interpretation
tinsleyite (mineral)
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General properties
formula | KAl_2(PO_4)_2(OH)·2(H_2O) discovery year | 1984
Basic properties
density | 2.69 g/cm^3 transparency | translucent birefringence | 0.013 luster | vitreous Mohs hardness | 5 streak | pink magnetism | nonmagnetic color | dark red fracture | brittle | uneven molar mass | 336 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | VII/D.27-10 Dana ID | 42.11.6.2 IMA number | IMA1983-004 ICSD number | ICSD407356
Crystallographic properties
crystal system | monoclinic crystal class | 2/m unit cell volume | 494 Å^3 (cubic ångströms) d-spacing | 6.68 Å (ångströms) | 5.91 Å (ångströms) | 3.006 Å (ångströms) intensity | 100% | 80% | 70% molecules per unit cell | 2.5 molecules per cell 2V angle | 43 π/90 radians≈86° (degrees) refractive indices | 1.591 | 0 | 0 | 0 | 0 | 0 dispersion | r > v | strong unit cell lengths | 9.602 Å (ångströms) | 9.532 Å (ångströms) | 5.543 Å (ångströms) unit cell angles | 90° (degrees) | 103.2° (degrees) | 90° (degrees)