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Josta Minerals

Granite Sand

Composition Primarily quartz (SiO₂), feldspar, mica, and other minerals
Color Varies from light gray, pink, or reddish to brown
Particle Size 0.075 mm to 4.75 mm (typically sand-sized grains)
Density 2.63 - 2.75 g/cm³
Bulk Density 1.6 - 1.8 g/cm³
Hardness (Mohs Scale) 6 - 7
Shape Angular to sub-angular
Specific Gravity 2.63 - 2.75
Water Absorption 0.1% - 1.0%
Grain Distribution Well-graded, with a variety of particle sizes
Fineness Modulus 2.0 - 3.5
pH 6 - 8 (slightly acidic to neutral)
Organic Impurities None or minimal
Solubility in Water Insoluble