Chain Mining

A Minecraft Bedrock Edition behavior pack that adds vein mining (chain mining) functionality. Break connected blocks of the same type at once by sneaking while mining.

Features

Vein Mining: When sneaking and breaking blocks, connected blocks of the same type are mined together
Ore Support: Coal, lapis, iron, copper, gold, redstone, emerald, diamond, quartz, ancient debris, and more
Stone Support: Stone, cobblestone, deepslate, granite, andesite, diorite, sandstone, netherrack, basalt, blackstone, end stone
Other Blocks: Sand, gravel, logs, planks, hay blocks, sculk
Tool Compatibility: Pickaxe (ores/stone), axe (logs/planks), shovel (sand/gravel), hoe (hay blocks/sculk)
Enchantment Support: Fortune, Silk Touch, Unbreaking
Drop Logic: Proper drops and XP for ores, including fortune multipliers

How to Use

Sneak (hold the sneak key) while breaking a block
Use the correct tool for the block type
All connected blocks of the same type within range will be broken at once

Subpacks

Choose your preferred mining range for stone-type blocks:

Subpack	Range	Description
Normal	0	No chain mining for stone
Break 3×3 stone	1	3×3 area
Break 5×5 stone	2	5×5 area
Break 7×7 stone	3	7×7 area
Break 9×9 stone	4	9×9 area

Ore vein mining always works for connected ores (up to 1024 blocks per vein).

Requirements

Minecraft Bedrock Edition 1.21.0 or later

Installation

Download the .mcpack file
Open it to import into Minecraft
Enable the pack World Settings -> Behavior Packs
Activate the world with the pack
(Optional) Enable a subpack for stone chain mining range

License

MIT