Card No: 12058       Created: 7/05/24    Last edition: 29/03/2026

Name: PILANESBERGITE
Specification: [1], structure type - cuspidine
Formula: Na2Ca2Fe2Ti2[Si2O7]2O2F2
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 10.7810 | b = 9.7836 | c = 7.0348 | beta = 108.1000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 705.40
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 212.45
Number of Reflexes used in
Structure Determination
:

NR = 3214
X-ray density, g/cm3: p = 3.46
R-factor: R = 0.0206MU, 1/cm: µ = 344.385
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 99.461
Theta-Interval for CPDP: T/I = 1-45