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| Activated carbon | Asbestos/Asbestus | Borate | Calcium | Chalk |
| Cryolite | Diamonds | Dolomite | Emery | Feldspar |
| Garnets | Graphite | Leucite | Magnesite | Mica |
| Mulite | Nephelite | Pyrite | Quartz | Silica |
| Silicon carbide | Steatite | Sulphur/Sulfur | Talc | |
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