Roger Weller, geology instructor
email@example.com copyright 2011-R.Weller
The mineral calcite crystallizes in a great variety of forms. One of these forms is the
rhombohedron, the same form as the calcite cleavage. The crystal faces are parallel
to the cleavage directions.
Photo is copyright free onlyfor non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen from Cochise College collection