Basalt Photos
Cochise College
Photos of Rocks       
Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                   copyright 2012

vesicular basalt with olivine crystals-2

black sand beach near Hilo, Hawaii

The olivine crystals are much smaller than those
from the San Carlos Indian reservation in Arizona.


basalt-olivine                                                                                                                                 0059
Photo is copyright free for non-commercial educational uses. 
Just credit photo to Roger Weller/Cochise College.