http://www.ck12.org Chapter 13. States of Matter
TABLE13.2:(continued)
Crystal System Diagram
Tetragonal
a = b 6 =c;α=β=γ= 90°Orthorhombic
a 6 =b 6 =c;α=β=γ= 90°Monoclinic
a 6 =b 6 =c;α 6 =90° =β=γRhombohedral
a = b = c;α=β=γ 6 =90°Triclinic
a 6 =b 6 =c;α 6 =β 6 =γ 6 =90°