sentences:  They used these crystals to create several Star Sapphire gemstones and gave these to women who had been loved and spurned, thus giving them the opportunity to gain revenge.A new Star Sapphire recently appeared and first takes possession of a girl named Krystal, and then sought out Carol Ferris.Ferris is released once the gem discovers that Hal Jordan is in love with Jillian "Cowgirl" Pearlman, whom the gem then possesses.