Guide to the Crystal Gems (Steven Universe) is a reference book by Rebecca Sugar which was released on October 6, 2015. It revealed information on the Crystal Gems in the show.


The Crystal Gems—Garnet, Amethyst, and Pearl—are three of the toughest heroes on Earth. They are also mentors to Steven Universe, a Gem/human hybrid boy whose mother was a great Gem leader. This guide, told from Steven's point-of-view and written by the show's very own creator, Rebecca Sugar, is packed with facts about the Crystal Gems' powers, abilities, and origins. It also includes original art and a special introduction from Rebecca Sugar. This book is a must-have for any Steven Universe fan!

Product Details

Notable Revelations

  • The war was exactly 5,500 years ago.
  • Rose Quartz's manifesto for the rebellion and Crystal Gems is codified.
  • Jasper and Amethyst are Quartz-type Gems.
  • Unless the two Gems are of the same type, a fusion between two Gems is a completely different Gem.
    • When Ruby and Sapphire first fused, it was unusual for two different Gems to fuse.
  • Garnet has electric-based powers, a combination of Ruby's heat and Sapphire's cold.
  • Rose Quartz's desire to experience childbirth motivated her to have Steven.
  • Opal is forgetful, due to her being in such a state of peace.
  • Pearl's hair is described as pink.
  • Alexandrite's weapon is all of the Crystal Gems' weapons used interchangeably.


  • It is not mentioned that Lapis' gem is on Malachite's back.
  • Pearl's hair is discolored many times throughout the book.
  • Garnet's color palette is incorrect several times throughout the book.
  • Ruby and Sapphire's gemstones on Garnet are swapped in a few of the illustrations.
  • In many scenes, Garnet is shown in her post-"Jail Break" regeneration with her old gauntlet design.
  • In some parts of the book, when Garnet, Amethyst and Pearl are shown together, they are not all in their post-regeneration forms.


External links


  1. 1.0 1.1 Sugar, Rebecca (6 October 2015). Guide to the Crystal Gems. Cartoon Network Books. ISBN 978-0-8431-8316-0 – via Amazon.
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