Where does sand in the sea come from?

formed from quartz and feldspar, due to changes in weather and erosion of mountains.

The transformation over millions of years through the weathering process of the Earth's crust. In addition, the currents constantly erode rock and soil, breaking large rocks into sand grains.

White sand is formed from coral fragments containing calcium carbonate compounds.

The grains of sand follow the flow with the rivers going to the sea, the process of accretion takes hundreds of thousands of years. More, .

1. The most common is brown sand, like Vung Tau beach, Vietnam, originated from England and iron oxide in Feldspar.
2. Punaluu black sand beach in Hawaii, USA is formed from volcanic basalt lava.
3. Papakolea green sand beach in Hawaii, USA is made up of blue minerals called Olivine.
4. White sand beaches are formed from coral fragments containing calcium carbonate compounds.

The carefully analyzed sandy beaches all have different ingredients, making a difference in the sandy beaches of the world.