DIRECT ANSWER

The short answer

Mine Sea Lantern with a suitable pickaxe, check whether Silk Touch changes the drop, and process one sample before using rare material in bulk.

PREPARATION

Exactly what you need

  • Primary tool: Pickaxe
  • Coordinates or the related structure location
  • Torches, food, and location-appropriate safety gear

Where to find or obtain it

  • Mine Sea Lantern with a suitable pickaxe, check whether Silk Touch changes the drop, and process one sample before using rare material in bulk.
  • both Java and Bedrock Editions

EXACT METHOD

Step-by-step method

  1. Identify the source or locationUse the block identifier, biome, and related structure to narrow the search.
  2. Prepare the correct toolThe primary tool is Pickaxe. Check Silk Touch and Fortune behavior before breaking a valuable block.
  3. Harvest safelyInspect adjacent blocks, drops, and lava or fall hazards; then break the block and collect the drop immediately.

SAFETY & EFFICIENCY

Mistakes and dangers

  • Recheck the required tool and enchantment before breaking a rare block.
  • Deep or suspended blocks may hide lava, a fall, or item-burning hazards.
PLAYER-TESTED TIPS

Test a small, inexpensive version first.

A spare tool and empty inventory space usually save more time than raw speed.

Version notes

This guide entry targets Minecraft 1.21.8 and both Java and Bedrock Editions. Coordinates, drop rates, and some mechanics can differ between Java and Bedrock.

Java Edition1.21.8Verified source data
Bedrock Edition1.21.8Mechanics may vary

Sources and verification

Facts are summarized and cross-checked; source pages remain linked for exact tables, edition differences, and future updates.