This shows both patterns and texture in it. They are repeating circles, but each one is a little different with the texture and lighting. Corealine - idea to have textured material for parts of repetitive pattern?
The colors and the textures in this shell close-up are really wonderful. The spiral shape leans grace and form; it amazes me that things seemingly so fragile tumbled around in a powerfull sea can survive. Painting is brewing in my mind!