Green Stained glass is a building block that is used for decoration. To make a Green Stained Glass, you will need Sand Blocks, Glasses, Cactus and Cactus Green Dye. Please follow the following steps to make Green Stained Glass.
After that you will have to make 8 glasses. Go towards the furnace and add sand blocks at the upper box with coal at the lower box. You will get 8 glasses in the right-side box of the furnace. Add these glasses into your inventory to use later.
The next thing you will have to find is cactus. You can find cactus blocks in desert biomes and then take at least one piece of it.
Cactus Green Dye
Go back to the furnace and add a cactus block in the upper box and coal in the lower box, you will get cactus green dye in the right-side box of the furnace. Add this dye into your inventory.
Green Stained Glass
Now finally you will be able to craft green stained glass. Move to the crafting table and add cactus green dye at the center cell and 8 glasses in remaining cells of the 3*3 crafting grid as shown in the image below. You will get a green stained glass on the right-side of the crafting table. Take this glass into your “ready to use” stock.