Roger Weller, geology instructor
[email protected]
copyright
2010-R.Weller
prehnite-1
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
basalts.
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