Roger Weller, geology instructor
firstname.lastname@example.org copyright 2010-R.Weller
Mesolite is a hydrous sodium calcium aluminum silicate, halfway between natrolite
and scolectite in composition. Its most common mode of occurrence is in bulbous
masses of radiating fine crystals.
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Dave Dechant