Better Minerals Mod Mod 1.7.10, 1.7.2 adds 8 new Ores and items for them along with 16 new tool sets that show off the MOH's hardness scale. The Moh's hardness scale says that minerals can scratch minerals that are softer than them. With 1 (talc) as the lowest and 10(diamond) as the hardest, you can use different minerals to see their hardness. This mod added 8 new ores with gems/crystals and ore blocks for each.