Card No: 9661       Created: 26/11/15    Last edition: 03/07/2017

Name: PALMIERITE
Specification: [2], syn, structure type - palmierite
Formula: PbK2[SO4]2
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 5.4970 | c = 20.8640
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 545.98
Number of Atomic Position
per full Unit Cell
:
P/U = 39 Molar Volume, cm3/mol: Vm = 109.62
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.36
R-factor: -MU, 1/cm: µ = 605.986
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 139.134
Theta-Interval for CPDP: T/I = 1-45