Name: | ANDRADITE | ||
Specification: | [8], structure type - garnet, OH | ||
Formula: | [Ca2.78(Mg,Mn,Fe)0.22][Fe1.24(Al,Ti)0.76][Si2.85Fe0.08](O,OH)12 | ||
Symmetry Class: | cubic | ||
Space Group: | I a3d | ||
Unit Cell Parameters: | a = 12.0140 | ||
Number of Formula Unit: | Z = 8 | Unit Cell Volume, Å3: | Vc = 1734.06 |
Number of Atomic Position per full Unit Cell: | P/U = 160 | Molar Volume, cm3/mol: | Vm = 130.56 |
Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.77 |
R-factor: | - | MU, 1/cm: | µ = 362.216 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 96.139 |
Theta-Interval for CPDP: | T/I = 1-45 |