Card No: 4008       Created: 15/02/1990    Last edition: 30/01/2020

Name: ROSELITE
Specification: [1], structure type - roselite
Formula: Ca2(Mg,Co)[AsO4]2 · 2H2O
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 5.8010 | b = 12.8980 | c = 5.6170 | beta = 107.4200
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 401.00
Number of Atomic Position
per full Unit Cell
:
P/U = 30 Molar Volume, cm3/mol: Vm = 120.77
Number of Reflexes used in
Structure Determination
:

NR = 1194
X-ray density, g/cm3: p = 3.58
R-factor: R = 0.0580MU, 1/cm: µ = 309.360
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 86.432
Theta-Interval for CPDP: T/I = 1-45