How to use glass in Alchemy? + aluminium⇒ mirror+ ash⇒ ashtray+ bacteria⇒ Petri dish+ brick house⇒ skyscraper+ electricity⇒ light bulb+ fire⇒ lamp+ fish⇒ aquarium+ sand⇒ hourglass+ silver⇒ mirror+ water⇒ ice+ wool⇒ electricity
Walkthrough for glass in Alchemy earth + fire ⇒ lavaair + lava ⇒ stoneair + stone ⇒ sandfire + sand ⇒ glass