Card No: 3957       Created: 10/05/90    Last edition: 12/06/2021

Name: RHODIZITE
Specification: [1]
Formula: (K,Cs)Al4Be4(B,Be)12O28
Symmetry Class: cubic
Space Group: P 4(-)3m
Unit Cell
Parameters:
a = 7.3180
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 391.90
Number of Atomic Position
per full Unit Cell
:
P/U = 49 Molar Volume, cm3/mol: Vm = 236.06
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.35
R-factor: R = 0.0340MU, 1/cm: µ = 123.482
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 36.850
Theta-Interval for CPDP: T/I = 1-45