Card No: 12059       Created: 27/04/24    Last edition: 29/03/2026

Name: PLUMBOPERLOFFITE
Specification: [1], structure type - bjarebyite
Formula: PbMn2+2Fe2+2[PO4]3(OH)3
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/m
Unit Cell
Parameters:
a = 9.1765 | b = 12.3400 | c = 5.0092 | beta = 101.0000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 556.79
Number of Atomic Position
per full Unit Cell
:
P/U = 52 Molar Volume, cm3/mol: Vm = 167.69
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.49
R-factor: -MU, 1/cm: µ = 512.678
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 114.232
Theta-Interval for CPDP: T/I = 1-45