Prehnite Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor     copyright 2010-R.Weller 

Carchelejo, Jaen, Spain
Prehnite is a hydrous calcium aluminum silicate mineral associated with zeolites. 
It is identified by its pale green color and its crystal habit of forming sphere-like
clusters or botryoidal encrustations.  It is a secondary mineral associated with


prehnite                                                                                                                                          48
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.

Mineral specimen courtesy of Belkis Minerals

Stephen Hernly
P.O. Box 5744, Bisbee, Arizona
(520) 432-2567