Card No: 4185       Created: 17/05/2002    Last edition: 24/12/2019

Name: SERANDITE
Specification: [2], structure type - wollastonite
Formula: NaMn2[Si3O8(OH)]
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 7.7185 | b = 6.9064 | c = 6.7624 | alpha = 90.4920 | beta = 94.0850 | gamma = 102.7750
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 350.56
Number of Atomic Position
per full Unit Cell
:
P/U = 32 Molar Volume, cm3/mol: Vm = 105.58
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.39
R-factor: -MU, 1/cm: µ = 357.232
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 105.233
Theta-Interval for CPDP: T/I = 1-45