Card No: 2794       Created: 13/10/1992    Last edition: 20/10/2015

Name: MATHIASITE
Specification: [1], structure type - crichtonite, DN
Formula: (K,Na,Ba,Sr)Ti12(Ti,Cr,Mg,Fe,Zr,Ca,V)9O38
Symmetry Class: rhombohedral
Space Group: *R 3(-)
Unit Cell
Parameters:
a = 9.1190 | alpha = 69.2400
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 639.92
Number of Atomic Position
per full Unit Cell
:
P/U = 62 Molar Volume, cm3/mol: Vm = 385.45
Number of Reflexes used in
Structure Determination
:

NR = 892
X-ray density, g/cm3: p = 4.45
R-factor: R = 0.0540MU, 1/cm: µ = 657.996
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 147.707
Theta-Interval for CPDP: T/I = 1-45