The Al-Atham stone (Kohl / Antimon) is found in "China" and "Isfahan",
It is characterized by the following chemical and physical properties:
Physical properties
- The nonmetallic shape
- The sulfide group
- The scratch is silver
- Hardness 3
- The color is bright silver
- dark
- The sparkle is silky lustrous
- The melting point is from 630 to 903 degrees
Chemical properties
- Density 6.6
- The crystal system is a three-angled hierarchy
- The chemical formula is antimony trioxide