mineral evolution
... that according to the theory of mineral evolution, the number of mineral species on Earth has increased from about 250 to over 5400?
... that according to the theory of <b id="mwBvQ"><a href="./Mineral_evolution" id="mwBvU" rel="mw:WikiLink" title="Mineral evolution">mineral evolution</a></b>, the number of mineral species on Earth has increased from about 250 to over 5400?