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New Farms · Geode · Java & Bedrock

How to Make an Amethyst Farm

Crystals grow on budding amethystand an amethyst farm breaks the full clusters for shards, over and over, on its own.

BUD GROWS → HARVEST SHARDS
buds grow on budding amethyst break clusters for shards
A crystal on budding amethyst grows from a tiny bud to a full cluster. A piston breaks the grown clusters so the shards drop into a chest, and a fresh bud starts over.

What you need

Budding amethyst (in a geode)
Clusters that grow on it
A piston to break them
The shards you harvest

Wait for the cluster, then break it

Buds only grow on budding amethyststepping up from small to a full cluster. Only that final cluster drops shards, so a piston aimed at the budding block waits, then breaks the grown clusters off into a water stream that carries the shards to your chest. Since budding amethyst cannot be moved, you build the farm right onto a geode.

Quick answers

What is an amethyst farm in Minecraft?

It is a farm built around budding amethyst, the block that grows crystals. You let buds grow into full clusters on it, then break the clusters to collect amethyst shards, the material for spyglasses, tinted glass and telescope-style builds.

How do amethyst clusters grow?

Buds only grow on budding amethyst, and only that block. Over time and random ticks, a bud appears and steps up through small, medium and large, then becomes a full cluster. Only the final cluster gives shards, so you wait for that stage before harvesting.

How do you harvest amethyst automatically?

Aim a piston at the budding amethyst so it breaks the grown clusters off the face. The shards fall into a water stream or hoppers below into a chest. Big farms use a flying machine to sweep a whole wall of budding amethyst at once.

Where do you get budding amethyst?

Inside amethyst geodes, the hollow purple caves found underground. Budding amethyst cannot be mined and kept, it just breaks, so you build the farm in place around the budding blocks a geode already has rather than moving them.

Do I break the buds or just the clusters?

Only break fully-grown clusters. A cluster dropped by a normal tool gives four shards, while the smaller buds give nothing useful, so time the piston to fire only once the crystal has reached the cluster stage.

Does an amethyst farm work on Bedrock?

Yes. Budding amethyst grows clusters and pistons break them the same way on both editions, though growth timing and piston behaviour differ a little, so an automatic Java design may need tuning on Bedrock.
Database →
Amethyst & geodes
Look up budding amethyst, clusters, shards and what they craft.
Guide →
How to make a spyglass
One of the things to craft with all those amethyst shards.

Harvesting a crystal that regrows

Only fully grown clusters drop four shards

A budding amethyst block grows buds through three stages into a cluster, and breaking anything before the last stage gives you nothing. That is why farms are built to break clusters and never touch the buds, and why a pickaxe harvest by hand loses less than a careless piston does.

Budding amethyst cannot be moved

The budding block breaks into nothing even with silk touch, so the geode is where the farm has to be. Everything about an amethyst farm is built around that: you go to the crystal, the crystal does not come to you.

Pistons harvest, water collects

A piston head breaking a cluster drops the shards, and a water stream underneath carries them to a hopper. Fortune does not apply through a piston, so a hand harvested cluster with Fortune three beats the automatic version on yield and loses badly on effort.

Blocks and items in this guide

Amethyst Cluster in MinecraftAmethyst ClusterBudding Amethyst in MinecraftBudding AmethystAmethyst Block in MinecraftAmethyst BlockAmethyst Shard in MinecraftAmethyst ShardSpyglass in MinecraftSpyglassHopper in MinecraftHopperPiston in MinecraftPiston

All 7 of these are named in the guide above, starting with Amethyst Cluster. Look them up in the item database.

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