Card No: 11958       Created: 11/04/23    Last edition: 27/03/2026

Name: FLUORAPATITE
Specification: [18], at 43.4 GPa, DF
Formula: Ca5[PO4]3F
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 8.5370 | b = 10.5360 | c = 10.6220 | alpha = 88.4000 | beta = 66.8000 | gamma = 66.5000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 796.28
Number of Atomic Position
per full Unit Cell
:
P/U = 86 Molar Volume, cm3/mol: Vm = 119.91
Number of Reflexes used in
Structure Determination
:

NR = 414
X-ray density, g/cm3: p = 4.21
R-factor: R = 0.0363MU, 1/cm: µ = 349.143
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 83.024
Theta-Interval for CPDP: T/I = 1-45