Minerals are used to build units, Base facilities, Secret Projects (SMAC), maintaining units, or reconverted into Energy Credits through Stockpile Energy. Mineral costs are calculated into "rows", which varies depending on the INDUSTRY rating of the faction. An industrial rating of 0 (normal) makes a Mineral row costs 10 Minerals. +1 (10% decrease) makes a Mineral row costs 9 Minerals. -1 (10% increase) makes a Mineral row costs 11 Minerals.