(April 2015) Corruption in Brazil exists on all levels of society from the top echelons of political power (as seen in the MensalÃ£o Scandal and the Operation Car Wash and the Petrobras scandals) to the smallest municipalities.
Quartz sands, which are high in silica content, are used to make glass. When quartz sands are crushed they produce particles with sharp, angular edges that are sometimes used to make sandpaper for smoothing wood. Some quartz sand is found in the form of sandstone.
Sand can be used to make glass, sandstone and TNT. Glass is made by smelting the sand in a furnace. Sandstone is a block that looks quite similar to sand. But sandstone doâ¦es not fall down when you remove the block beneath it, which is often useful when creating houses and other buildings. It can be crafted by placing 4 sand blocks in a square, like this (S = Sand, E = Empty): E E E S S E S S E TNT isn't so commonly used. It's not very useful, and hard to make.