Universe
Marvel Universe

Location
The M'kraan Crystal is located on "The World," which is so distant from everything that the lights glowing in the sky are not stars but whole galaxies; the M'kraan Crystal exist simultaneously in virtually all realities (or at least all Earth-like dimensions within the mainstream multiverse).

Creator
Unrevealed

Owner
The Shi'ar

First Appearance
X-Men #107 (1977)

Significant Issues
See Handbook Bibliography