Due to its unique physical and chemical properties, Quartz is considered to be one of the most widely used natural materials. It has a hardness of seven on the Mohs Scale which makes it very durable. Its electrical properties and heat resistance make it valuable in electronic products. Ferro silicon (Steel Industry) Glass Industry, Rubber, Paint, Hydraulic fracturing (Petroleum Industry), Sand blasting, liquid filtration, Optical & Electronic Industry. GS are one of the major Quartz producers in Egypt, our Quartz is characterized by high purity (99.65% SiO2) , Milky and Transparent We can supply Quartz in lumps, Grits, or powder form, as per the required micron size, and by any quantities, packages and sizes