Granurose
Source : Rollers career oxidized – Calcination : 1 000°C
ANALYSES
CHIMIQUES
SiO2 | 99,20% |
AI2O3 | 0,12% |
Fe2O3 | 0,11% |
MgO | 0,01% |
K2O | 0,04% |
CaO | 0,24% |
Na2O | 0,06% |
Loss with fire | 0,16% |
TECHNICAL
CHARACTERISTICS
Specific gravity | 2,4 |
Hardness mohs | 7 |
PSV | 57 |
Micro Deval | 10 |