Name: | PIEMONTITE | ||
Specification: | [5], structure type - epidote, Sr | ||
Formula: | Ca1.74Sr0.16Al1.83Fe0.06Mn1.15Si3O12OH | ||
Symmetry Class: | monoclinic-beta | ||
Space Group: | P 2(1)/m | ||
Unit Cell Parameters: | a = 8.8700 | b = 5.6990 | c = 10.2010 | beta = 115.3000 | ||
Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 466.20 |
Number of Atomic Position per full Unit Cell: | P/U = 44 | Molar Volume, cm3/mol: | Vm = 140.41 |
Number of Reflexes used in Structure Determination: | NR = 2810 | X-ray density, g/cm3: | p = 3.53 |
R-factor: | R = 0.0310 | MU, 1/cm: | µ = 304.147 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 86.226 |
Theta-Interval for CPDP: | T/I = 1-45 |