Card No: 12255       Created: 14/01/25    Last edition: 27/03/2026

Name: MAMMOTHITE
Specification: [2]
Formula: Pb6Cu4(Al,Cr)SbO2[SO4]2Cl4(OH)16
Symmetry Class: monoclinic-beta
Space Group: C 2
Unit Cell
Parameters:
a = 18.9590 | b = 7.3398 | c = 11.3630 | beta = 112.4000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1461.62
Number of Atomic Position
per full Unit Cell
:
P/U = 120 Molar Volume, cm3/mol: Vm = 440.19
Number of Reflexes used in
Structure Determination
:

NR = 3878
X-ray density, g/cm3: p = 5.24
R-factor: R = 0.0190MU, 1/cm: µ = 828.963
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 158.206
Theta-Interval for CPDP: T/I = 1-45