How to build a Nether portal in Minecraft (and link two portals)
Mine it with a Diamond Pickaxe or a Netherite Pickaxe.

The Diamond Pickaxe is a pickaxe, the mining tool for stone, ores and metal blocks. Its material decides which ores drop something when broken. Made from diamonds, it lasts 1561 uses and mines everything, including obsidian and ancient debris; it can then be upgraded to netherite. It works like every other pickaxe; the Iron Pickaxe page explains mining tiers and enchantments.
It is made with the Crafting Table from 2 × Stick and 3 × Diamond.
3 × Diamond + 2 × Stick → Diamond Pickaxe
// Slots with several items cycle through every accepted option.
Mine it with a Diamond Pickaxe or a Netherite Pickaxe.
a Diamond Pickaxe has 1,561 durability, so the bonus is 78.
enchanted Diamond Axe (17–31) at Expert from both; Diamond Shovel (10–24) at Expert and Diamond Pickaxe (18–32) at Master from the toolsmith; Diamond Sword (13–27) at…
It peaks at Y 16 (good from Y 15 to 17), generates between Y 8 and 119, is never exposed to air and needs a Diamond Pickaxe.
At the Crafting Table: 2 × Stick and 3 × Diamond give 1 × Diamond Pickaxe. It can be found as loot in Bastion Remnant, Trial Chambers and End City. Sold by Villager: Toolsmith (Master).
It mines stone, ores and metal blocks, and its material decides which ores it can collect. It is an ingredient in one recipe: Netherite Pickaxe.
1,561 durability points: each use removes one, and it breaks when none are left. Mending and Unbreaking can extend it.
No: only one per inventory slot.
6 enchantments: Efficiency, Fortune, Mending, Silk Touch, Unbreaking and Curse of Vanishing.