Card No: 11933       Created: 6/10/23    Last edition: 27/03/2026

Name: VIKINGITE
Specification: [2], Sb-rich
Formula: Ag3.5Pb11(Bi,Sb)11.5S30
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 13.5394 | b = 4.0992 | c = 25.5060 | beta = 95.6000
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 1408.85
Number of Atomic Position
per full Unit Cell
:
P/U = 56 Molar Volume, cm3/mol: Vm = 848.60
Number of Reflexes used in
Structure Determination
:

NR = 7441
X-ray density, g/cm3: p = 7.04
R-factor: R = 0.0692MU, 1/cm: µ = 1491.749
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 211.927
Theta-Interval for CPDP: T/I = 1-45