The only known natural substance that block the optic blasts of Cyclops without damage. The crystal resonates at the same frequency as the psionic field that protects both Cyclops and Havok from their own powers.
- The android double of Cameron Hodge was encased in crystal armor that resembled a prism. The faceted armor could reflect the optic blasts of Cyclops.
- Cyclops' visor and eye glasses.
- There is a weapon called "Ruby Quartz Rifle" that fires blasts, used by S.H.I.E.L.D. Agents on Earth-12131.
- A Hellfire Knight armor.
- In New X-Men #131, Cyclops explains that light turns yellow in the Ruby-Quartz shield of his visor. However, a flashback in Astonishing X-Men Vol 3 #14 has Scott mention that he sees things tinged with red. This second account is reinforced in Champions Vol 2 #12, in which a series of panels shown from Cyclops' point of view are colored in shades of red.
- No trivia.
- 7 Appearances of Ruby-Quartz
- 1 Minor Appearances of Ruby-Quartz
- Media Ruby-Quartz was Mentioned in
- 1 Images featuring Ruby-Quartz
- Item Gallery: Ruby-Quartz
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