Loose Beads Material | Crystal, Lampwork & Glass | Certificate Type | Aigs |
Place of Origin | China | Brand Name | sicheng abrasives |
Model Number | 7-11mm | Beads Colour | colorless |
Name | Glass beads | Color | Colorless |
Shape | Ball | Specific gravity | 2.5g/cm3 |
Bulk density | 1.5g/cm3 | Mohs hardness | 6-7 |
Rockwell hardness | 46 | Refractive index | 1.5-1.7 |
Roundness | >80% | SiO2 | 70-75% |