"Collaboration / Malachite VS Alexandrite: Part 1" is an instrumental song that plays in the episode "Super Watermelon Island". It is heard during Alexandrite's formation and in the first half of her battle with Malachite on Mask Island. It is followed by "Malachite VS Alexandrite: Part 2".
- This soundtrack contains motifs from "Malachite" and "Alexandrite".
- Jasper's theme is more dominant than Lapis Lazuli's theme in this soundtrack due to her gaining dominance over Malachite.
- The beginning of "Amalgam" and "Young Gems" can be heard at the beginning.