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hexagonal system: Media

crystallography

Videos

What Are the Seven Basic Crystal Systems?
Minerals crystallize according to one of seven motifs, known as crystal systems.
Video: Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.com

Images

crystal systems
The seven primitive crystal systems.
Encyclopædia Britannica, Inc.
Figure 1: Hexagonal lattice of atomic sites.
Encyclopædia Britannica, Inc.