We supply Soapstone which is rich in magnesium and largely composed of talc. It is also known as steatite or soaprock. It is relatively soft and may feel soapy when touched, hence the name. It has been a medium for carving for thousands of years.
Chemical analysis :
| SiO2 |
: |
46 – 52% |
| MgO |
: |
34 – 38% |
| Al2O3+Fe2O3 |
: |
4 – 9% |
| CaO |
: |
1.5% min |
| C |
: |
0.35% min |
| S |
: |
0.02% min |
| P |
: |
0.05% min |
| LOI at 1000oC |
: |
4 – 8% |
|
