... inside 2.decoration for pool, pave,aquarium, 3.size: 1-2mm, 2-3mm, 3-6mm, 6-9mm 4.never ... as required)ShapeRound and Irregular( Oval)Size 0.8-10mm(size can be made as required;Round can not be ... bigger than 5mm) Refractive Index1.30- 1.50Specific Density(g/cm3) 2.50Volume Density(g/cm3 ... )1.50Micro Hardness(kg/mm2)>635Mohs Hardness>6 Application:Color ...