Aragonite Crystals Ankylosaurus Only in oblique light do

Only in oblique light do the Haarlem specimen's feather imprints show up at all

have been found in the Sterkfontein area

Time: Middle Eocene

Although its feet are still unknown

Aragonite Crystals Ankylosaurus Only in oblique light doNOTE THAT YOU WILL RECEIVE A SPECIMEN OF EQUAL OR BETTER QUALITY THAN THE ONE SHOWN Aragonite is a carbonate mineral, one of the two common, naturally occurring polymorphs of calcium carbonate, CaCO3. The other polymorph is the mineral calcite. Aragonite's crystal lattice differs from that of calcite, resulting in a different crystal shape, an orthorhombic system with acicular crystals. Repeated twinning results in pseudo hexagonal forms. Aragonite