Colour : Greyish white
Specific gravity: 2.64
Absorption in 24 hours: 0.80%
Shape of grains : Subangular
CHEMICAL PROPERTIES Chemical analysis SiO2 : 99.30%
Fe2O3 : 0.10%
Loss on extraction with hot Hcl: 0.11%
PETROGRAPHIC ANALYSIS
Quartz 97.40%
Feldspar 2.50%
PARTICLE SIZE AND PERCENTAGE
GRADE PARTICLE SIZE PERCENTAGE
Grade-I Less than 2mm and greater than 1mm 33.33%
Grade-II Less than 1mm and greater than 0.50mm 33.33%
Grade-III Less than 0.5mm and greater than 0.09mm 33.33%
