Emma Frost's (Marvel) secondary mutation is a pure diamond form.
have a body made up of crystal or crystalline substance
User is made up of or can transform their body completely into crystal or crystalline substance. Users transformed form can be either anatomically identical to their normal form, aside of being made of crystal, in which case it contains all to organs and is somewhat vulnerable to attacks. Alternately user can transform into homogenous matter, without any part of their form being more important than the other.
- Contaminant Immunity
- Dermal Armor
- Disease Immunity
- Enhanced Durability/Invulnerability
- Enhanced Lung Capacity or Oxygen Independence
- Enhanced Strength
- Invulnerability to all forms of light.
- Thermal Resistance
- Crystal Manipulation
- Earth Mimicry
- Elemental Transmutation
- Geokinetic Regeneration using crystal.
- Golem Creation
- Golem Physiology
- Psychic Shield
- Scattering - some users are able spread their transformed form over wast areas.
- Users of Sound Manipulation would be able to shatter the crystal.
- While hard, many crystals have flaws that may be used to shatter them completely. This may be true to the users of this power also.
- Annie Leonheart (Attack on Titan), as the Female Titan