Talk:Nether Ores/@comment-24.32.22.14-20120724233933/@comment-86.82.219.85-20120823150839

Do you have a 64-bit computer, running the 64-bit version of Java? (Java 7 is preferred.)

Try reducing your view distance to 'normal' or less. See if it helps.

And, while testing, have no valuable items with you.