Malefic Black Crystal

The Malefic Black Crystal (not to be confused with Nephrite's Dark Crystal) was a crystal from the first arc of Pretty Soldier Sailor Stellar which grew with negative, dark energy. It was a crystal from the planet Nemesis that Death Phantom used to try and destroy the Earth.The leaders of the Black Moon Clan, with the exception of Saphir, wore earrings made of this crystal.