Card No: 2236       Created: 19/04/1995    Last edition: 28/03/2017

Name: JERRYGIBBSITE
Specification: [1]
Formula: [Mn7.86Zn0.59Mg0.24Ca0.16Fe0.14][SiO4]4(OH)2
Symmetry Class: orthorhombic
Space Group: P bn2(1)
Unit Cell
Parameters:
a = 4.8750 | b = 10.7090 | c = 28.1800
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1471.18
Number of Atomic Position
per full Unit Cell
:
P/U = 124 Molar Volume, cm3/mol: Vm = 221.54
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.05
R-factor: R = 0.0880MU, 1/cm: µ = 681.789
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 168.445
Theta-Interval for CPDP: T/I = 1-35