HARD QUARTZ GRAVEL
Origin: TÜRKİYE
Hard Quartz Gravel
Particle Size: 1.5 – 5.6 mm
Specific Gravity: 2.65 g/cm³
Bulk Density: 1400 – 1600 kg/m³
Hardness: 7 on the Mohs scale
Material: Hard quartz gravel
https://tecommine.com/abrasive-minerals
https://www.anorikan.com/abrasive-minerals
