Card No: 12156       Created: 4/09/24    Last edition: 02/04/2026

Name: VASILSEVERGINITE
Specification: [1]
Formula: Cu9O4(AsO4]2[SO4]2
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 8.1131 | b = 9.9182 | c = 11.0225 | beta = 110.9000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 828.84
Number of Atomic Position
per full Unit Cell
:
P/U = 66 Molar Volume, cm3/mol: Vm = 249.62
Number of Reflexes used in
Structure Determination
:

NR = 1711
X-ray density, g/cm3: p = 4.43
R-factor: R = 0.0487MU, 1/cm: µ = 208.868
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 47.153
Theta-Interval for CPDP: T/I = 1-45