Carleton College, Department of Geology

Rocks and Minerals Study Guide

Cyclosilicates Minerals

Name Image Color Hardness Streak Cleavage Luster Other properties
Beryl

1, 2, 3, 4, 5

6, 7, 8, 9, 10

           
Cordierite

1, 2, 3, 4, 5

6, 7, 8, 9, 10

           
Tourmaline

1, 2, 3, 4, 5

6, 7, 8, 9, 10