Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
vivianite crystal-1
Vivianite is a
hydrous iron phosphate. It has a pearly luster and on exposure to
light turns
blue or green. In thin pieces it is flexible.
vivianite
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Hewin's Minerals
Dale P. Hewin
48770 W. Cheetah St., Tucson, Arizona 85742
(520) 744-8083