Apatite Dragon

Fun fact: Moon rocks collected by astronauts during the Apollo program contain traces of apatite.

It is a mineral and occasionally used as Gemstones. 
References: Apatite Gemstones, Tumbled Apatite, TitaniumxApatite
-This dragon has an Apatite base but isn't fully pure -sort of?(Combination of those above). - This Apa also has a strong appetite. P:
Mineral: They can have nice blues, blue-green, and yellow to amber/brownish colors. I think they can have some purple to them too. 
When turned into crystals they can have mainly strong blues or yellows.There are others which can be transparent in color.
Crystal habit: Tabular, prismatic crystals, massive, compact or granular

_{Chosen for its lovely blues and yellows.}