Card No: 3212       Created: 28/05/1990    Last edition: 13/01/2009

Name: OFFRETITE
Specification: [1], DF, ZL
Formula: K1.04Ca1.04Mg0.95Al5.2Si12.8O36 · CO
Symmetry Class: hexagonal
Space Group: P 6(-)m2
Unit Cell
Parameters:
a = 13.2610 | c = 7.3470
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 1118.90
Number of Atomic Position
per full Unit Cell
:
P/U = 88 Molar Volume, cm3/mol: Vm = 673.96
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 1.95
R-factor: R = 0.0420MU, 1/cm: µ = 81.164
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 41.585
Theta-Interval for CPDP: T/I = 1-45