Roger Weller, geology instructor
firstname.lastname@example.org copyright 2010-R.Weller
hexagonal pseudomorphs after aragonite-2
These apparently hexagonal plates originally started out as complex twins of
aragonite crystals, but have since been converted to calcite. The re-entrant angles
on some of the hexagonal sides show that the original crystals were really not a
Photo is copyright freeonly for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.