Minecraft features
Things worth finding that aren't structures or biomes.
🧟
Monster Spawner
A monster spawner (dungeon) is a small cobblestone-and-mossy room with a spinning cage that spawns a mob. In Java they generate in dungeons, mineshafts and strongholds.
🏺
Suspicious Sand
Suspicious sand and gravel hide archaeology loot. Brush them to unearth pottery sherds, tools and trims. They generate inside trail ruins and desert temples.
🟪
Amethyst Geode
An amethyst geode is a hollow sphere of amethyst, calcite and smooth basalt. Amethyst shards make spyglasses and tinted glass.