08266 - Top Beautiful Orthoclase (Feldspar) Crystals from High Atlas Mountains, Morocco Unidentified Trilobites Note that it is very
Yard notes & kiln story
Description
Note that it is very different from Bavarilla zemmourensis (Destombes
Comments: Submitted by H
The vertebrae are still preserved in a state of anatomical semi-articulation (11 vertebrae bones)
Orthoceras waageni
Bolivia (2)
08266 - Top Beautiful Orthoclase (Feldspar) Crystals from High Atlas Mountains, Morocco Unidentified Trilobites Note that it is veryOrthoclase, 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.