Snow White Quartz Granules Avanza Mines & Minerals manufactures best quality Snow White Quartz granules meeting all quality specifications for finest product. We are manufacturing Snow White Quartz granules in different sizes and as per industry requirement Our Snow White Quartz Granules Specifications 1. High content of SiO2 from 99.5% to 99.9% 2. low content of alkali, or traces 3. Low Fe content upto 0.01% 4. Mohs hardness:6.5 - 6.8 5. Specific Gravity: 2.90-2.8