One Million Grains of Sand
As the surf recedes, abstract patterns are created by the water and sand's movements.
The composition of Great Lakes sand.
Quartz (87-94%) (white, pink, natural, grey)
Feldspar (10-18%)(grey, brown, blue)
Magnetite (1-3%) (black)
Less than 1%:
Hornblende (green, brown, black)
Epidote (yellowish-green, brownish black