| Name: | PETERSITE-(Y) | ||
| Specification: | [1], structure type - mixite, DF | ||
| Formula: | Cu6(Y,Ca,La)[PO4]3(OH)6 · 3H2O | ||
| Symmetry Class: | hexagonal | ||
| Space Group: | P 6(3)/m | ||
| Unit Cell Parameters: | a = 13.2348 | c = 5.8574 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 888.53 |
| Number of Atomic Position per full Unit Cell: | P/U = 94 | Molar Volume, cm3/mol: | Vm = 267.60 |
| Number of Reflexes used in Structure Determination: | NR = 857 | X-ray density, g/cm3: | p = 3.64 |
| R-factor: | R = 0.0250 | MU, 1/cm: | µ = 175.517 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 48.230 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||