BRA-ORTH-03 Origin: Morocco Grade: A Dimensions: Approximately 18cm - Suitable for all wrists of approximately 17 to 19cm Weight: Approximately 25g Origin: Morocco Grade: A = good Bracelet composed of 10mm orthoceras beads. Patterns and colors may vary from one stone to another. The name orthoceras comes from ancient Greek, meaning "straight horn." Orthoceras is a fossil, so its name is not recognized by the IMA (International Mineralogical Association). For reference, a fossil is the mineralized trace of an ancient living organism. It can also be the trace of the organism's activity or its mold in sedimentary rock.