Amethyst's Links
They are girlfriends, and Amethyst is more open about it than Galactica is. She tends to flirt with Galactica on the job and likes to sneak her hugs and kisses if Galactica's too preoccupied with something else to notice. Amethyst knows how Galactica is, and doesn't take Galactica's lack of openness about their relationship personally. She just wishes Galactica wouldn't stress and overthink so much.
They are girlfriends, and Galactica is less open about their relationship than Amethyst is. She's pretty bashful when it comes to romantic relationships, but she's also worried about a romantic relationship potentially interfering with her job, especially with her dating a co-worker. Galactica tends to get exasperated with Amethyst and her lazy, lackadaisical nature, but at the same time can't find it in herself to ever actually be mad at Amethyst.
They're cousins. Amethyst often comes to her when she's in need of repairs on the ship. She finds interest in hearing Ametrine ramble about her job as a mechanic.
They're cousins. Ametrine likes getting the consistent job of repairing Amethyst's machine, as not only is it work she's passionate about that pays, but she gets to spend time with her cousin as well!