Card No: 3460       Created: 29/03/2000    Last edition: 13/01/2009

Name: PARAGUANAJUATITE
Specification: [1], structure type - tetradymite
Formula: Bi2(Se,S)3
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 4.1250 | c = 28.5600
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 420.86
Number of Atomic Position
per full Unit Cell
:
P/U = 15 Molar Volume, cm3/mol: Vm = 84.50
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 6.92
R-factor: -MU, 1/cm: µ = 1365.765
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 197.472
Theta-Interval for CPDP: T/I = 1-45