Card No: 10237       Created: 10/08/17    Last edition: 13/10/2017

Name: DAVINCIITE
Specification: [1], DF
Formula: Na12(K,Sr)3Ca6Fe2+3Zr3Si26O73(OH)Cl2
Symmetry Class: trigonal
Space Group: R 3m
Unit Cell
Parameters:
a = 14.2956 | c = 30.0228
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 5313.57
Number of Atomic Position
per full Unit Cell
:
P/U = 444 Molar Volume, cm3/mol: Vm = 1066.85
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.85
R-factor: -MU, 1/cm: µ = 246.274
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 86.397
Theta-Interval for CPDP: T/I = 1-45