Green sand is a mixture of sand with bentonite clay, pulverized coal, and water used in metal casting. It is not necessarily green in color, but is called green because it is used while wet, like the "green wood" sometimes used by wood turners.
Shubham Kanungo
Asst Professor
Department of Mechanical Engineering
Shri Vaishnav Institute of Technology and Science,Indore
its called a sand dune.
green sand
Olivine crystals are removed from the eroding land aside the water, by the movement of the sea. Eventually, supply will end, and the sand will look like any other sand. How long it takes for this natural occurrence to 'run out' is dependent upon the amount that is in the land from which it comes.
Greensand or Green sand is either a sand or sandstone, which has a greenish color. This term is specifically applied to shallow marinesediment, that contains noticeable quantities of rounded greenish grains. These grains are called glauconies and consist of a mixture of mixed-layer clay minerals, such as smectite and glauconite mica.
its called a sand dune.
It is called a "sand trap".
It is called a "Sand Dune".
I've never heard of Hawaiian sand being green, but I do know that the Hawaiian sand is black, because it mixes with the ash and soot from the volcanoes nearby.
There are different kinds of sand which produce different kinds of glass when melted, but sand can certainly produce a green glass when melted by lightning.
A hill of sand in a desert is normally referred to as a dune
From superheated sand.
Sand is called "Walu" in marathi