| This page is similar in name or subject to other pages.
See also Blackrock for a complete list of references to clarify differences between these closely named or closely related articles. |
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| Powerstone | |
| Type: | Mineral |
| Continuity: | Smallville |
| Aliases: | Black rock Black meteor rock Harun-El |
| Availability: | Unique item |
| Owners: | Bridgette Crosby Chloe Sullivan Lena Luthor Lex Luthor |
| 1st appearance: | "Crusade" |
Black kryptonite is a fictional mineral featured in media based on properties developed by DC Comics. It first appeared in the "Crusade" episode of Smallville on September 22nd, 2004, which was the premiere episode of season four.
See also[]
Appearances[]
DC Universe
Smallville
Supergirl