Card No: 11849       Created: 6/07/23    Last edition: 04/04/2026

Name: MATYHITE
Specification: [1], structure type - whitlockite, DN
Formula: Ca9Ca0.5[]0.5Fe[PO4]7
Symmetry Class: trigonal
Space Group: R 3c
Unit Cell
Parameters:
a = 10.4560 | c = 37.4080
Number of Formula Unit: Z = 6Unit Cell Volume, Å3: Vc = 3541.82
Number of Atomic Position
per full Unit Cell
:
P/U = 276 Molar Volume, cm3/mol: Vm = 355.56
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.09
R-factor: -MU, 1/cm: µ = 358.373
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 115.923
Theta-Interval for CPDP: T/I = 1-45