[Minecraft] Ultimate Mining Guide: Efficient Ore Farming in 9 Minutes

Ya Long Tang Jiang·3/7/2026

Mining Basics and Environmental Notes

When mining, refer to the following basic rules to improve efficiency:

Height Standard: All heights mentioned refer to the height at which the player stands while mining.
Chunk Borders: All ores (including Ancient Debris) have the highest probability of spawning large clusters at chunk borders.
Terrain Distribution Features:
- Mountains: Often generate Iron, Coal, and Emerald.
- Cliffs: Generate large amounts of Calcite.
- Deepslate Caves: Suitable for finding exposed Diamond, Gold, and Redstone.

Iron Ore: Best mining height is Y=16. Below Y=0, Iron Veins containing Tuff will generate.
Copper Ore: Best mining height is Y=48. Between Y=0 and Y=48, Copper Veins containing Granite will generate.
Gold Ore: Best mining height is Y=-16. In Badlands biomes, gold reserves are massive, with a distribution density comparable to Coal.
Diamond and Redstone: Best mining height is Y=-58. Considering frequent lava lakes at this height, mining at Y=-54 is recommended.
Emerald Ore: Best mining height is Y=232 (only in Mountain or Windswept Hills biomes).
Lapis Lazuli Ore: Best mining height is Y=0.
Deepslate Coal Ore: If you need to collect Deepslate Coal Ore, mining between Y=0 and Y=8 is recommended.
All-Ore Coverage Point: Height Y=8 generates all types of ores, but note the varying generation probabilities for each ore.

Nether Quartz and Nether Gold Ore: Suitable for directly mining exposed ore in the Nether.
Ancient Debris: Best mining height is Y=14.
- Biome Choice: Recommended to mine beneath Nether Wastes or Warped Forest biomes. Avoid Basalt Deltas, as the blocks there slow mining speed and reduce the effective explosion radius of beds.
- Generation Pattern: Typically, one cluster containing 1-3 debris generates at the bottom of each chunk. After finding debris in a chunk, moving to a new chunk is more efficient.

Moss Clearing Method: Place Moss Blocks in Deepslate areas and use Bone Meal; the surrounding Deepslate will convert to Moss (ores will not convert). Using a Hoe allows for quick mining of Moss, enabling rapid surveying of large areas to find ores.
Inventory Space Management:
- Using the Silk Touch enchantment can significantly save inventory space; mine the ores later at your base with a Fortune-enchanted tool.
- If you don't have Silk Touch, you can craft ores into Ore Blocks to save space (except for Nether Quartz).