| Name: | FERRO-PAPIKEITE | ||
| Specification: | [1], structure type - anthophyllite, DN | ||
| Formula: | Na(Fe2+,Mg)2[Fe2+3Al2][Si5Al3O22](OH)2 | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | P nma | ||
| Unit Cell Parameters: | a = 18.6280 | b = 17.8880 | c = 5.3035 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 1767.22 |
| Number of Atomic Position per full Unit Cell: | P/U = 172 | Molar Volume, cm3/mol: | Vm = 266.12 |
| Number of Reflexes used in Structure Determination: | NR = 2941 | X-ray density, g/cm3: | p = 3.50 |
| R-factor: | R = 0.0360 | MU, 1/cm: | µ = 167.634 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 47.889 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||