Card No: 12168       Created: 7/11/24    Last edition: 27/03/2026

Name: ARSENOCLASITE
Specification: [2], structure type - arsenoclasite, Cd-analogue
Formula: Cd5[PO4]2(OH)4
Symmetry Class: orthorhombic
Space Group: P 2(1)2(1)2(1)
Unit Cell
Parameters:
a = 5.8901 | b = 9.3455 | c = 18.7423
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1031.69
Number of Atomic Position
per full Unit Cell
:
P/U = 76 Molar Volume, cm3/mol: Vm = 155.36
Number of Reflexes used in
Structure Determination
:

NR = 4493
X-ray density, g/cm3: p = 5.25
R-factor: R = 0.0390MU, 1/cm: µ = 1290.014
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 245.651
Theta-Interval for CPDP: T/I = 1-45