Opal gemstone.
Tanzanite.
Onyx Gemstone.
Mill Scale.
Conch pearl.
Rough fire opal.
Amber stone.
Opal.
Manganese, copper, nickel, titanium, magnesium, kaolin, beryllium, columbite and rare earth elements.
Avocado, tomato, apples, papaya, mango, banana, berries, cucumber, lime, lemon, lettuce, asparagus, broccoli, among others..