07617 - Beautiful Orthoclase (Feldspar) Crystals from High Atlas Mountains, Morocco Basilosaurus Teeth we provisionally denote the Polish

we provisionally denote the Polish and Maastricht specimens as “ Mosasaurus ( Leiodon ) cfr

up to 20 metres (66 ft) long

Reedops sp: Fossilworks (Paleobiology Database)

Anhangueridae and Azharchidae

Horns are prepared as free standing

07617 - Beautiful Orthoclase (Feldspar) Crystals from High Atlas Mountains, Morocco Basilosaurus Teeth we provisionally denote the PolishOrthoclase, or orthoclase feldspar (endmember formula KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The name is from the Ancient Greek for "straight fracture," because its two cleavage planes are at right angles to each other. It is a type of potassium feldspar, also known as K feldspar.