Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
staurolite-60 degree
penetration twinned crystals-2
Fannin City, Georgia
Staurolite is HFeAl5Si2O13
staurolite
50
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.