You can use Silk Touch shears to harvest glowstone, glass, grass, mycelium, and ice without them losing durability : r/Minecraft
Silk touch on shears - Discussion - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
Minecraft Tip of the Day: Enchanting Silk Touch on shears will allow you to mine glowstone and glass without losing any durability on the shears! - iFunny Brazil