HELP INDEX NEXT UP PREVIOUS FEEDBACK ATG
The Seven Crystal Systems
All rocks are composed of only seven crystal systems: Triclinic: no sides equal, no right angles
Monoclinic: no sides equal, one right angle
Orthorhombic: no sides equal, all right angles
Tetragonal: two sides equal, all right angles
Cubic: all sides equal, all right angles
Trigonal: all sides equal, two right angles
Hexagonal: two sides equal, two right angles, one 120 degree angle
 [NS] {SW}
counter Explore your own Web Page! Zeuter Development Corporation
Box 225, Parry Sound, Ontario, CANADA P2A 2X3 Tel/FAX (705)746-4625
Copyright (C) Zeuter Development Corporation, 1996. All rights reserved.