Roger Weller, geology instructor
firstname.lastname@example.org copyright 2010-R.Weller
sulfur crystals from Michigan
Sulfur is one of the few chemical elements that occurs naturally in uncombined form.
It is easily identified by its translucent lemon-yellow color, softness, low density, and
the ability to burn. (You really do not want to set it on fire. Burning sulfur creates a
choking gas and the fire is difficult to put out.
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.