Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
staurolite-single crystals-1
Fannin City, Georgia
Not all staurolite crystals are twinned.
Staurolite is HFeAl5Si2O13
staurolite
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Photo is copyright free for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.