Traits

“True” horns, a permanent extension of the skull with a keratin covering.

Composed entirely of keratin and grow continuously, must be trimmed.

Composed of dentine and collagen, and highly prized material.

Dead bone without a horn or skin covering that are periodically shed and regrown.

Bony horns covered in skin with scales or fur.

 Bony growths on the skull that vary in shape and size.

If you recall, Crysalla bones are highly mineralized. In addition to all of these types, a Crysalla can also have crystallized horns, which are part of the skull.