New, Enable Java applets (jPOWD, Krystal) using CheerpJ Applet Runner Plugin for Chrome Browser. How do I enable Java if it's been blocked? How do I enable Java through the Control Panel? The Mineralogy Database was last updated on 9/5/2012 and it contains 4,714 individual mineral species descriptions with links and a comprehensive image library. Visit the "What's New" section for details. Each mi