Does anyone else think these three other materials should be added into Minecraft? If so, they should be different forms of trading currency. After all, Emeralds, Sapphires, Rubies, and Amythyst are diffrent forms of quartz. Also, it would mean that trading would have more variety. Also, for those people who think Emerald armor should be made, here's a true fact about emeralds in real life. They are actually relativly weak, meaning that emerald tools wouldn't be that strong.