Archaeology, Suspicious Blocks and Sniffers

A brush and a patch of sand that looks slightly wrong are all that stand between you and the rarest decorative items in the game. Archaeology is Minecraft's slowest loot system — no combat, no timers, just careful looking — and it is the only way to get most pottery sherds, four armour trim templates and the sniffer egg, which hatches into the game's only extinct mob.

This is everything you need: how to spot suspicious blocks, which structures hide them, what each one drops, and how to turn an egg into a working sniffer that digs up plants nobody has grown for a very long time.

Crafting and using the brush

The brush is one feather, one copper ingot and one stick, stacked top to bottom in a single column of the crafting grid. That is it — one feather, one copper, one stick.

Hold right-click on a suspicious block and the brush animates for a few seconds. As you brush, the item buried inside slowly emerges from the block face, floating in place so you can see what it is before it pops out. When the brushing finishes, the item drops and the block collapses into ordinary sand or gravel.

Three rules save a lot of pain:

• The brush has durability. It has exactly 64 uses in Java Edition before it breaks, so bring two or three to a trail ruins. They are cheap.
• Stop brushing and the progress unwinds. A half-brushed block holds its state for a few seconds, then reverts one stage at a time. Step away briefly and you can pick up where you left off; wander off and you start that block again. You do not lose the item, just the time.
• Never mine a suspicious block. Break it with a tool, break it with your fist, let a piston try to push it, or let it fall — in every one of those cases the buried item is destroyed permanently. It does not drop. It is gone.

Suspicious sand and suspicious gravel look almost identical to the real thing — a slightly speckled, cracked texture. In dim light or at distance you will walk straight past them. Turn your brightness up, and if you have a good pack installed they become far easier to pick out at a glance; see how to install resource packs if you want a set that highlights them.

Where suspicious blocks generate

Suspicious blocks only appear in specific structures, and each structure has its own loot pool. You cannot find them randomly in the world.

Trail ruins

The richest archaeology site in the game, and the only source of several items. Trail ruins generate mostly buried underground in taiga, snowy taiga, old growth spruce taiga, old growth pine taiga, old growth birch forest and jungle, with just a fragment of stone or brick poking above the surface. Dig down and you find a sprawling complex of tiled floors and buried rooms. Everything suspicious here is gravel, not sand.

Trail ruins have two separate loot pools. The common pool holds ordinary materials — dyes, candles, stained glass panes, hanging signs, bricks, clay, wheat, emeralds and similar. The rare pool holds the good stuff: four armour trim templates found nowhere else (Wayfinder, Raiser, Shaper and Host), the music disc Relic, and seven pottery sherds. Only a small number of suspicious blocks in each ruin draw from the rare pool, so a full excavation gives you a handful of chances at best.

The seven sherds that appear nowhere else are Burn, Danger, Friend, Heart, Heartbreak, Howl and Sheaf. What trail ruins do not hold is a sniffer egg — that is an ocean job, and it trips up a lot of people.

Ocean ruins

Warm ocean ruins use suspicious sand; cold ocean ruins use suspicious gravel. Both scatter them through the ruined floors and the surrounding seabed.

Warm ocean ruins matter far more than their loot list suggests, because suspicious sand in warm ocean ruins is the only place in the world a sniffer egg generates. The rest of that pool is modest — coal, wheat, emeralds, gold nuggets, a wooden hoe or an iron axe, and the Angler, Shelter and Snort sherds. The egg sits in the rarer half of the pool at roughly one block in fifteen, so plan on brushing a lot of sand. Warm ocean ruins generate in warm, lukewarm and deep lukewarm oceans.

Cold ocean ruins have no egg at all: coal, emeralds, gold nuggets, wheat, a wooden hoe or an iron axe, and the Blade, Explorer, Mourner and Plenty sherds.

Ocean ruins are common and often clustered, so you can clear several in one dive. Bring Respiration, or set up a conduit if you plan to strip a large ruin field. Aqua Affinity speeds up mining, not brushing, so it helps with clearing sand off the ruins but does nothing for the brush itself.

Desert pyramids and desert wells

Desert pyramids hide their suspicious sand in a dedicated archaeology room — a 5x5 chamber reached by collapsed stairs, with six to eight suspicious sand blocks in its floor. It is not the trapped treasure chamber, so do not go hunting for suspicious sand around the TNT and the four chests. The pool here is the most valuable of the desert sites: diamonds, emeralds, gunpowder, TNT and the Archer, Miner, Prize and Skull sherds.

Desert wells — the tiny sandstone structures with a water source in the middle — have suspicious sand at the base of the well. The pool is much plainer: the Arms Up and Brewer sherds, plus bricks, emeralds, sticks and suspicious stew. No diamonds. Desert wells are the fastest archaeology site to clear because there are only a few blocks to brush.

Pottery sherds and decorated pots

Every pottery sherd is a decorative fragment stamped with a symbol. Combine four sherds in a diamond shape — one on each of the four inner edges of the crafting grid — and you get a decorated pot with those four designs on its four faces. Any of the four slots can take a plain brick instead of a sherd, so you can make a pot with one design and three blank sides, or any mix you like.

Decorated pots are genuinely useful, not just pretty:

• They hold one stack of a single item type, so a wall of them makes a compact, readable storage display. A comparator reads how full one is.
• Hoppers, hopper minecarts and droppers can push items in and pull items out, which means they slot into automation.
• How you break one decides what you get back. Hit it with a tool or a projectile and it shatters into the sherds and bricks it was made from. Break it with your bare hand, with a Silk Touch tool, or blow it up, and it drops as an intact pot you can pick up and move.

There are 23 sherd designs in total. Twenty of them come from brushing, split across the structures above. The last three — Flow, Guster and Scrape — are not archaeology at all: they come from the decorated pots that generate naturally in trial chambers, which you smash to recover the sherds. If you want variety from a brush, trail ruins and the desert sites are where you should spend your time.

Armour trim templates from archaeology

Four trim patterns — Wayfinder, Raiser, Shaper and Host — exist only in the rare loot pool of trail ruins. If you are chasing a complete trim collection, no other structure will give you these. Each one can be duplicated in a smithing table with the template, seven diamonds and one terracotta, the duplication material for all four, which returns the original plus a copy — so you only ever need to dig up one of each.

Apply them at a smithing table with the piece of armour and a material ingot. The full pattern list, material palette and preview are covered in armour trims explained, and you can preview colour combinations before you commit diamonds using the armour trim previewer.

Hatching the sniffer egg

The sniffer egg has exactly two sources: brushing suspicious sand in warm ocean ruins, and breeding two adult sniffers. There is no third option, and no trail ruin will ever give you one. Expect to brush through a good stretch of warm ocean ruins before the first egg turns up.

Place the egg on any block and it will hatch on its own. Timing depends on what it sits on:

• On a moss block it hatches in about ten minutes.
• On any other block it takes about twenty. Pale moss counts as any other block.

You can watch the egg crack in stages as it approaches hatching, so you always know roughly where you are. A placed sniffer egg is more forgiving than a turtle egg: break it with any tool or with your bare hands and it simply drops itself, so a misplaced egg can be picked up and moved. Still fence the area off — you want the snifflet that hatches to survive, and an egg sitting in the open is one creeper away from a bad afternoon.

Out of the egg comes a snifflet, the baby form. Snifflets grow into adults in about forty minutes, and each torchflower seed you feed one cuts ten percent off the remaining time. Adults are large, slow, passive and completely harmless — they will not attack, will not despawn, and can be led with a lead like most passive mobs, though a leashed sniffer will not dig.

Breeding sniffers and what they dig up

An adult sniffer periodically sniffs the ground, walks to a spot it likes, and digs. Digging yields one of two seeds, with equal odds:

• Torchflower seeds, which grow into a torchflower.
• Pitcher pods, which grow into a pitcher plant.

Sniffers only dig in blocks they can actually dig — dirt, grass blocks, coarse dirt, rooted dirt, podzol, moss blocks, pale moss blocks, mud and muddy mangrove roots. Mycelium is deliberately not on that list, so a mushroom island ranch produces nothing, and a sniffer standing on stone, sand or a floor of slabs will never produce anything either. This is the classic sniffer mistake: people pen them in a tidy stone-floored enclosure and wonder why nothing appears.

Sniffers also remember their last twenty digging spots and will not re-dig them, and there is a cooldown of several minutes after each successful find, so a tiny pen slows output badly even with the right blocks. Make it wide and be patient — output is steady, not constant.

To breed them, feed two adults torchflower seeds — the same item they dig up. The pair produces an egg rather than a baby directly, and that egg hatches on the same moss-versus-everything-else timing as the one you found. That is the loop: dig up seeds, feed seeds, get eggs, get more sniffers. General breeding mechanics and love-mode behaviour are covered in breeding and taming animals.

Growing torchflowers and pitcher plants

Torchflower seeds go on farmland like wheat and pass through growth stages before becoming a torchflower — a tall orange bloom. The seeds themselves are a breeding item for chickens as well as sniffers, and they tame parrots. The flower can be crafted into orange dye.

Pitcher pods also go on farmland, but they grow into a pitcher crop first, which must reach full maturity before it can be harvested as a pitcher plant. The pitcher plant is a two-block-tall decorative plant — it occupies the block it sits on and the one above, so leave headroom. Harvest it and you get the plant itself, which can be crafted into cyan dye. Pitcher pods, like torchflower seeds, feed chickens and tame parrots.

Both crops respond to bone meal, so a composter loop sitting next to the plot turns your surplus crops back into growth. If you want the whole thing to run itself, the standard observer-and-piston harvester layout from the automatic crop farm build works on torchflowers once they are mature.

Is any of it worth doing

Practically, no — archaeology gives you decoration, dye and two plants. Strategically, yes, for exactly three reasons: four trim templates that exist nowhere else, decorated pots as hopper-compatible single-stack storage, and the sniffer itself, which is the only mob in the game that generates items out of dirt with no input beyond space and grass.

Treat trail ruins as the priority target for trims and rare sherds, warm ocean ruins as the priority for the sniffer egg, desert wells as easy filler while you cross a desert, and desert pyramids as a diamond-and-sherd bonus on a structure you were looting anyway. Bring spare brushes, never mine a suspicious block, and keep your first egg somewhere nothing can trample the snifflet that comes out of it. For the wider map of what generates where and what each structure is worth, see every structure explained.