Card No: 12191       Created: 25/10/24    Last edition: 02/04/2026

Name: KIRYUITE
Specification: [1], structure type - viitaniemiite
Formula: Na(Mn,Ca)AlPO4F2(OH)
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/m
Unit Cell
Parameters:
a = 5.4250 | b = 7.1280 | c = 6.8170 | beta = 109.4000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 248.63
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 74.88
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.34
R-factor: -MU, 1/cm: µ = 238.740
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 71.451
Theta-Interval for CPDP: T/I = 1-45