Perlite Photos               
Cochise College
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Roger Weller, geology instructor                       

wellerr@cochise.edu

Perlite
last edited:  3/2/11    number of photos:  8 
Perlite is a light-colored volcanic glass that has an abundance                                       
of curved fractures.  Included within some perlites are dark,
solid nodules of obsidian, commonly referred to as Apache tears.

photos
perlite and Apache tear:  1  2  3*  4
perlite from California:  1  2  3  4

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2011-R.Weller