Name: | HOWIEITE | ||
Specification: | [1] | ||
Formula: | Na(Fe,Mn,Mg)10(Fe,Al)2Si12O32(OH)12 | ||
Symmetry Class: | triclinic | ||
Space Group: | P 1(-) | ||
Unit Cell Parameters: | a = 10.1700 | b = 9.7200 | c = 9.5600 | alpha = 91.3000 | beta = 70.7000 | gamma = 109.0000 | ||
Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 839.50 |
Number of Atomic Position per full Unit Cell: | P/U = 69 | Molar Volume, cm3/mol: | Vm = 505.66 |
Number of Reflexes used in Structure Determination: | NR = 4047 | X-ray density, g/cm3: | p = 3.35 |
R-factor: | R = 0.0450 | MU, 1/cm: | µ = 139.002 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 41.460 |
Theta-Interval for CPDP: | T/I = 1-45 |