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Quartz
Crystal symmetry class Trigonal 32
Density 2651 kg/m3
Constitutive data is presented in the Strain-Charge format.
Compliance
12.77 -1.79 -1.22 -4.5 0 0
-1.79 12.77 -1.22 4.5 0 0
-1.22 -1.22 9.6 0 0 0
-4.5 4.5 0 20.04 0 0
0 0 0 0 20.04 -9
0 0 0 0 -9 29.1
*10-12 
Piezoelectric Coupling
-2.3 2.3 0 -0.67 0 0
0 0 0 0 0.67 4.6
0 0 0 0 0 0
*10-12 
Relative Permittivity
4.52 0 0
0 4.52 0
0 0 4.68
,  8.854 *10-12 
For a description of the ordering convention used to layout the constitutive matrices, see Subscript Ordering.
Glossary
STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.