Card No: 2057       Created: 17/10/1990    Last edition: 23/03/2017

Name: HYALOTEKITE
Specification: [1], DF
Formula: Pb2Ba2Ca2{B2[Si1.5Be0.5]Si8O28}F
Symmetry Class: triclinic
Space Group: I 1(-)
Unit Cell
Parameters:
a = 11.3100 | b = 10.9550 | c = 10.3170 | alpha = 90.4300 | beta = 90.0200 | gamma = 90.1600
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1278.25
Number of Atomic Position
per full Unit Cell
:
P/U = 102 Molar Volume, cm3/mol: Vm = 384.97
Number of Reflexes used in
Structure Determination
:

NR = 3713
X-ray density, g/cm3: p = 3.83
R-factor: R = 0.0600MU, 1/cm: µ = 569.750
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 148.932
Theta-Interval for CPDP: T/I = 1-45