Patch 5.3 Herbalism and Mining changes
Herbalists and Miners will be able to gather herbs and ores with low skill in Pandaria. You will get fragments like [Ghost Iron Nugget] and [Torn Green Tea Leaf] when you gather herbs or ores. These are just a few examples, there is a fragment version for every herb and ore. (for trillium there is currently none) You can combine 10 of these fragments into a single ore or herb.
Here is the official quote: