^2d6 Result ^Defined Trade Good ^Unit Increment ^Base Price GP^ |2 |Lead/Zinc/Tin |1d6 x10 |1 | |3–5 |Copper |1d6 x 10 |2.5 | |6–8 |Nickel/Silver |1d6 x 10 |5 | |9–11 |Gold/Iridium |1d6 x 5|7.5 | |12 |Platinum |1d5 x 2 |10 | These are unrefined ores.