| 1 | Smectite mineral could be called the world scarce "omnipotent material " by most expert. | |
| 2 | The main types of clay minerals are illite, smectite, kaolinite and chlorite. | |
| 3 | photo above: The counters in our kitchen are made of soapstone, which is the same material used in science labs. | |
| 4 | The result shows that the main types of clay minerals are illite , smectite, kaolinite and chlorite. | |
| 5 | The most significant percentage decrease in physical volume was registered by soap stone (-48%). |
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