The "Jupiter Crystal" (ジュピター クリスタル, Jupitā Kurisutaru) is the Sailor Crystal that Makoto Kino uses to transform into Super Sailor Jupiter and Eternal Sailor Jupiter in the manga and Sailor Moon Eternal. She receives the item from Guardian Jupiter, her Sailor Power Guardian, while under attack by Hawk's Eye and the Amazoness Quartet.
The crystal is bright green in color and heart shaped.