Talk:Opal Dragon/@comment-13765174-20131003015753/@comment-11437884-20131003185948

Opal is not the hardest, but it's also not the easiest - taking into consideration avarage fail times, of course.

So far, the hardest gemstone is Diamond. The easiest is Topaz.

The biggest fail for Topaz is 6h (Ash and Pepper). The smallest fail for Opal is 6h (Mud).