Card No: 6952       Created: 26/10/2007    Last edition: 24/02/2015

Name: BEAVERITE
Specification: [1], structure type - alunite
Formula: PbFe3[SO4]2(OH)6
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 7.2050 | c = 16.9940
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 764.00
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 153.40
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.36
R-factor: -MU, 1/cm: µ = 592.292
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 135.845
Theta-Interval for CPDP: T/I = 1-45