Minecraft wiki entry for Rock, associated text: Coal Ore – a source of coal, a rock used for torches and furnace fuel; found in greatest abundance near the surface
Copper Ore – a source of copper, used to make lightning rods and spyglasses; sometimes found in enormous ore veins
Diamond Ore – a rare ore found deep underground; a source of diamonds to make durable weapons, tools, and armor
Emerald Ore – the rarest of all ores, yielding emeralds used for currency when trading with villagers and wandering traders; only found in mountains
Gold Ore – a source of gold, used to craft tools, weapons, armor, golden carrots, and golden apples; also valuable to piglins
Iron Ore – a much-desired source of iron, which has many uses; sometimes found in enormous ore veins
Lapis Lazuli Ore – the lapis lazuli from this ore is a rich blue rock useful in enchanting and as a dye; found close to and within the deepslate layer
Redstone Ore – a source of redstone dust, a material that can carry signals and activate moving parts; found in the deepest depths of the underground