Green sand
Encyclopedia
Green sand may refer to:
- Green sand (casting), slightly damp sand, used in sand casting of metals
- GreensandGreensandGreensand or Green sand is either a sand or sandstone, which has a greenish color. This term is specifically applied to shallow marine sediment, that contains noticeable quantities of rounded greenish grains. These grains are called glauconies and consist of a mixture of mixed-layer clay...
, a mineral containing glauconite - OlivineOlivineThe mineral olivine is a magnesium iron silicate with the formula 2SiO4. It is a common mineral in the Earth's subsurface but weathers quickly on the surface....
sand, which can form "green sand beaches" - Papakolea Beach, commonly called the Green Sand Beach on the island of Hawaii