Stained glass is a one of the craftable blocks in the Minecraft Survival game and it is used for decoration. You will need Sand Blocks, Glasses and Lapis Lazuli to make Blue Stained Glass. Please follow the following steps to make Blue Stained Glass.
After that you will have to make 8 glasses. Make your way to the furnace and add sand blocks in the upper box with coal at the lower box. You will get 8 glasses in the right-side box to the furnace. Add these glasses into your inventory to use later.
After that you will have to find and get lapis lazuli gemstone. Use your iron pickaxe to get some stones and use them to give color to glass.
Blue Stained Glass
Now you can craft the Blue stained glass using the crafting table. Go to the crafting table and open up 3*3 crafting grid. Add lapis lazuli 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 blue stained glass in the right-side box of the crafting table. Add it into your ready to use stock.