Roger Weller, geology instructor
firstname.lastname@example.org copyright 2010-R.Weller
celestite from Madagascar-2
Celestite is strontium sulfate. One of the uses of strontium compounds is to provide
the red color in flares and fireworks.
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Rio Grande Rock and Gems
Alan Perryman and Richard Overly
1214 NE Frontage Rd., Socorro, NM 87801