Ore Properties Basic Example

{
    "originalTexture" : "assets/minecraft/textures/blocks/coal_ore.png",
    "languageKey" : "tile.oreCoal.name",
    "hardness" : 3.0F,
    "harvestLevel" : 0,
    "drop" : "minecraft:coal",
    "dropMeta" : 0,
    "dropSilkTouch" : "minecraft:coal_ore",
    "dropSilkTouchMeta" : 0,
    "leastDrop" : 1,
    "mostDrop" : 1,
    "leastXp" : 0,
    "mostXp" : 2
}