It’s 90 sands of Saudi Arabia
They can’t use it for construction, and they can’t make glass
It is too weathering and the particles are thin and round, making it unsuitable for concrete bonding
Construction sand should be as angular and angular as shown in the microscope above
River sand is the best and coastal sand needs to be washed because of salinity
The best sand is used to make semiconductors, but the most famous sand is
Sand from Silicon Valley is the best and most expensive
So when it comes to semiconductors, Silicon Valley in the U.S