Card No: 11838       Created: 23/06/23    Last edition: 03/04/2026

Name: FLUORSIGAIITE
Specification: [1], structure type - apatite
Formula: Ca2Sr3[PO4]3F
Symmetry Class: hexagonal
Space Group: P 6(3)/m
Unit Cell
Parameters:
a = 9.6101 | c = 7.1311
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 570.35
Number of Atomic Position
per full Unit Cell
:
P/U = 42 Molar Volume, cm3/mol: Vm = 171.77
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.04
R-factor: -MU, 1/cm: µ = 662.004
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 163.935
Theta-Interval for CPDP: T/I = 1-45