| Hardness | 3.5 Mohs | 
| Shape | Polygon | 
| Specific Gravity | 1.47~1.52 | 
| Bulk Density | 0.93~0.96 | 
 
| Product No. | Size (mm) | 
| #8-16 | 2.13~1.19 | 
| #12-20 | 1.68~0.841 | 
| #16-20 | 1.19~0.841 | 
| #20-30 | 0.841~0.595 | 
| #20-40 | 0.841~0.420 | 
| #30-40 | 0.595~0.420 | 
| #40-60 | 0.420~0.250 | 
| #60-80 | 0.250~0.177 | 
| #80-100 | 0.177~0.125 | 
| #100-200 | 0.125~0.075 |