Card No: 2408       Created: 14/12/1989    Last edition: 03/04/2017

Name: KULIOKITE-(Y)
Specification: [1]
Formula: Y4AlSi2O7.5F5(OH)3
Symmetry Class: triclinic
Space Group: P 1
Unit Cell
Parameters:
a = 8.6060 | b = 8.6720 | c = 4.3170 | alpha = 102.7900 | beta = 97.9400 | gamma = 116.6600
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 270.16
Number of Atomic Position
per full Unit Cell
:
P/U = 22 Molar Volume, cm3/mol: Vm = 162.73
Number of Reflexes used in
Structure Determination
:

NR = 975
X-ray density, g/cm3: p = 4.26
R-factor: R = 0.0660MU, 1/cm: µ = 342.656
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 80.384
Theta-Interval for CPDP: T/I = 1-45