Engineers Asteroids with high content?

[S0k4r0]

Dd someone has even seen 1 of this asteroids, with material content: High?? or its just a legend?

 

[Kalpa]

Nope, have seen only low and medium so far. I guess they're exceptionally rare, or require special circumstances...

 

[S0k4r0]

i really want to know if someone has ever find any of this asteroids, Bump