Card No: 12343       Created: 22/05/25    Last edition: 06/04/2026

Name: TETRAHEDRITE-(Cu)
Specification: [1], structure type - tennantite-tetrahedrite
Formula: Cu6[Cu4Cu??2]Sb4S13
Symmetry Class: cubic
Space Group: I 4(-)3m
Unit Cell
Parameters:
a = 10.3296
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1102.18
Number of Atomic Position
per full Unit Cell
:
P/U = 82 Molar Volume, cm3/mol: Vm = 331.94
Number of Reflexes used in
Structure Determination
:

NR = 261
X-ray density, g/cm3: p = 4.73
R-factor: R = 0.0347MU, 1/cm: µ = 622.287
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 131.569
Theta-Interval for CPDP: T/I = 1-45