Large alien crystal

Large alien crystals are miscellaneous items that can be found and obtained in the Fallout 3 add-on Mothership Zeta.

Characteristics
These crystals are entirely weightless, and have a base value of 20 bottle caps each. They have no other known use besides bartering, Rock-It Launcher ammunition, or as a house decoration.

Location
They are found scattered aboard Mothership Zeta on various aliens, or lying randomly on tables or shelves among other alien aesthetics.