Card No: 12401       Created: 7/11/25    Last edition: 09/04/2026

Name: ENSTATITE
Specification: [45], syn, structure type - hypersthene
Formula: (Mg,Fe,Li)SiO3
Symmetry Class: orthorhombic
Space Group: P bca
Unit Cell
Parameters:
a = 18.1718 | b = 8.7706 | c = 5.1992
Number of Formula Unit: Z = 16Unit Cell Volume, Å3: Vc = 828.64
Number of Atomic Position
per full Unit Cell
:
P/U = 80 Molar Volume, cm3/mol: Vm = 31.19
Number of Reflexes used in
Structure Determination
:

NR = 3458
X-ray density, g/cm3: p = 3.29
R-factor: R = 0.0188MU, 1/cm: µ = 158.047
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 48.056
Theta-Interval for CPDP: T/I = 1-45