10:07

Mineral Habit

4:30

Mineral Identification...Cleavage vs. Fracture

2:57

Breccia

20:17

Identifying Igneous Rocks -- Earth Rocks!

6:46

Mineral Luster

3:54

Mineral Identification- Cleavage, Fracture

3:48

Mineral Luster

19:17

Rock and Mineral Identification