Amazing X-Men #16

Trying to create a new Juggernaut, gem Cyttorak crying.

And no one hears appeal than those previously housed force Cyttorak, Cain Marko and Colossus.

But they are not the only ones to find the gem. Can the X-Men to reveal its location before it's too late? Maybe Colossus resist the temptation of power Cyttorak?