 | 1902 - 932 pages
...to its organic origin though it has essentially the same composition as the mineral apatite which ie the natural phosphate of lime. The rocks which compose...shot will represent the molecules of a substance in Fig. 1 Fig. 2 Fig. 3 the liquid state, as for example a solution of alum. If, now, we suppose these... | |
 | William John Miller - Geology - 1924 - 456 pages
...crystallization has been clearly suggested by Whitlock who says: " This results from the fact that particles or molecules of the substance which, while...shot will represent the molecules of a substance in a liquid state, as for example a solution of alum. If, now, we suppose these same shot to be coated... | |
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... of temperature or evaporation, the cohesive force pulls the particles (molecules) together into a rigid mass. Under favorable conditions such a solid possesses a regular polyhedral form. The process of crystallization has been clearly suggested by... 