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Description: Cuban silica
| Oxide | Analysis | Formula | Tolerance | 
|---|---|---|---|
| Al2O3 | 0.10% | 0.16 | |
| MgO | 0.06% | 0.25 | |
| CaO | 0.25% | 0.75 | |
| SiO2 | 99.16% | 277.52 | |
| Fe2O3 | 0.02% | 0.02 | |
| LOI | 0.18% | n/a | |
| Oxide Weight | 16,751.44 | ||
| Formula Weight | 16,781.64 | ||
| Typecodes | 
Silica/Quartz
 Quartz is very abundant and there are many grades and name brands.  | 
| Materials | 
Silica Teresa (Cuba)
 | 
| Materials | 
Silica D/Golpe (Cuba)
 | 
| Materials | 
Silica Santa Barbara (Cuba)
 | 
| Materials | 
Silica De Mármol (Cuba)
 | 
| Materials | 
Silica Arimao (Cuba)
 | 
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