Siderite PhotosRoger Weller, geology instructor
wellerr@cochise.edu copyright 2008-R.Weller
siderite
Silver Hill Mine, southern Arizona
Siderite is iron carbonate. The
most common crystal shape of siderite is the
rhombohedron, shown below.

siderite
Photo is copyright free for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.