(Will be frequently updated a sort of closed species) 

how did they come about?: well no one really knows for sure not even themselves but they came into being a long time ago their numbers have increased in size over time. 

what they look like: pretty much there whole body including hair, eyes are crystal. Color depends on Rarity. They do have human forms that show crystals on forehead, under eyes and on chest. 

powers/abilities:

Light energy -able to use light energy of different types so this can change on types

Crystal manipulation- 

Hard skin 

Transmutation- 

Weaknesses/limitations:

rarity:

common :normal colors

uncommon: uncommon colors

rare: multi colors (2-3 colors) 

Super rare: rainbow