Input interpretation
dmisteinbergite (mineral) | paraspurrite (mineral)
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General properties
| dmisteinbergite | paraspurrite formula | CaAl_2Si_2O_8 | Ca_5(SiO_4)_2(CO_3) discovery year | 1990 | 1977
Basic properties
| dmisteinbergite | paraspurrite density | 2.75 g/cm^3 | 3 g/cm^3 transparency | transparent | transparent birefringence | 0.005 | 0.027 luster | pearly | Mohs hardness | 6 | streak | white | white magnetism | nonmagnetic | nonmagnetic color | colorless | colorless molar mass | 278.2 g/mol | 444.6 g/mol
Units
Mineral identifiers
| dmisteinbergite | paraspurrite Strunz ID | VIII/J.07-75 | VIII/B.22-60 Dana ID | 76.1.7.1 | 53.1.2.1 IMA number | IMA1989-010 | IMA1977-016 ICSD number | ICSD26486 |
Crystallographic properties
| dmisteinbergite | paraspurrite crystal system | hexagonal | monoclinic crystal class | 6/m2/m2/m | 2/m unit cell volume | 335.8 Å^3 (cubic ångströms) | 1951 Å^3 (cubic ångströms) d-spacing | 3.73 Å (ångströms) | 2.57 Å (ångströms) | 2.85 Å (ångströms) | 3.47 Å (ångströms) | 6.92 Å (ångströms) | 1.983 Å (ångströms) intensity | 100% | 80% | 70% | 100% | 78% | 63% molecules per unit cell | 2 molecules per cell | 8 molecules per cell 2V angle | | 97 π/360 radians≈97/2° (degrees) refractive indices | 0 | 0 | 0 | 1.575 | 0 | 0 | 1.65 | 0 | 0 | 0 | 0 | 0 dispersion | | strong unit cell lengths | 5.122 Å (ångströms) | 5.122 Å (ångströms) | 14.78 Å (ångströms) | 10.47 Å (ångströms) | 6.706 Å (ångströms) | 27.78 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 120° (degrees) | 90° (degrees) | 90.58° (degrees) | 90° (degrees)