Iron, lapis, gold, redstone, diamond, and emerald ores don't drop anything when mined with a golden pickaxe

Put the summary of the bug you're having here

What I expected to happen was...:
A gold picaxe to mine diamond ore.

What actually happened was...:
All that happened was it breaks the ore because its acting weaker than its supposed to be.

Steps to Reproduce:
1. Make a gold picaxe, then try to mine diamond ore.
2. It then won't mine the ore but break it
3. You are supposed to be able to mine diamond with a gold picaxe.