Card No: 4858       Created: 26/01/1993    Last edition: 29/05/2017

Name: TRIMERITE
Specification: [1]
Formula: CaMn2[BeSiO4]3
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 8.0980 | b = 7.6130 | c = 14.0650 | beta = 90.0000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 867.11
Number of Atomic Position
per full Unit Cell
:
P/U = 84 Molar Volume, cm3/mol: Vm = 130.57
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.47
R-factor: R = 0.0330MU, 1/cm: µ = 345.835
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 99.643
Theta-Interval for CPDP: T/I = 1-45