-Abalone shells, commonly referred to as "ear shells" or "ormer shells," are the shells of a particular species of sea snail.
-Abalone shells are valued for their pearly, iridescent appearance and are frequently used in jewelry and home décor.
-The width of an abalone shell's broadest portion is often used to calculate its size.
-Abalone shells from 5 and up inches in diameter are categorized as medium to large.
-Abalone shells can be found on the shores of California, Japan, and Australia, as well as other cold-water areas of the world.
The periostracum, which is a tough outer covering on abalone shells and is composed of protein and colors The iridescent coloring of the shell is a result of the periostracum.