Rock "health" in stardew valley

switch(idx)
{
    case Ore.Copper:
        if(shaft.mineLevel == MineShaft.quarryMineShaft) return 2;
        return 3;
    case Ore.Iron:
        if (shaft.mineLevel == MineShaft.quarryMineShaft) return 3;
        return 4;
    case Ore.Gold: return 8;
    case Ore.Iridium: return 16;
    case Gem.Amethyst: goto case Gem.Random;
    case Gem.Aquamarine: goto case Gem.Random;
    case Gem.Emerald: goto case Gem.Random;
    case Gem.Jade: goto case Gem.Random;
    case Gem.Ruby: goto case Gem.Random;
    case Gem.Topaz: goto case Gem.Random;
    case Gem.Mystic: goto case Gem.Random;
    case Gem.Random: return 5;
    case Gem.Diamond: return 10;
    case Geode.Normal: return 3;
    case Geode.Frozen: return 5;
    case Geode.Magma: return 7;
    default:
        if (shaft.mineLevel < MineShaft.frostArea) return 1;
        if (shaft.mineLevel < MineShaft.lavaArea) return 3;
        if (shaft.mineLevel < MineShaft.desertArea) return 4;
        return 5;
}