Book, Paragraph

 1  IV,  6 | millstones, cannot be dissolved. Natron and salt are soluble by
 2  IV,  7 |        fire solidifies it. Hence natron and salt and stone and potter’
 3  IV,  7 |         the liquids out of which natron and salt are formed; and
 4  IV,  7 |         bodies are soluble, e.g. natron, some insoluble, e.g. pottery:
 5  IV,  8 |         dissolved by water, e.g. natron, salt, dry mud. Those bodies
 6  IV,  9 |          them (as in the case of natron and salt), nor must the
 7  IV,  9 |      melted by water too such as natron and salt cannot be softened
 8  IV,  9 |      softened by moisture, while natron is "melted" but not softened?
 9  IV,  9 |        but not softened? Because natron is pervaded throughout by
10  IV,  10|     earth, e.g. pottery, cheese, natron, salt. Some bodies are solidified
11  IV,  10|       refrigeration. So again in natron, salt, and those kinds of