Lons is known for his massive size as well as his strength. His hair is a short bob with two spiked tips in the back. He wears a black, grey, and white bodysuit similar to the ones worn by Jasper, Peridot, and Garnet, as well as a black overcoat with very large shoulder pads. His gem is placed on his forehead, his color palette the same as his gemstone.
- Standard gem abilities:Lonsdaleite maintains standard gem abilities such as weapon proficiency, shape-shifting, and bubbling gems.
- Atmokinesis: On an astounding scale, Lonsdaleite can manipulate weather conditions to his favor.
Lons is a classic gem, and a stern dictator. He is a very practical person, and likes to use logic before action. When he does act, he makes sure to execute plans perfectly and orderly.
- Lonsdaleite is said to be even harder than diamond.
- The gem forms when meteorites containing graphite strike the Earth. The great heat and stress of the impact transforms the graphite into diamond, but retains graphite's hexagonal crystal lattice.