(In Serious Steven, Garnet was clearly summoning the temple key from her gems.)
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**Gem culture does not have a gender binary or a concept of gender.
**Gem culture does not have a gender binary or a concept of gender.
**Gems refer to each other using "she/her" pronouns, but have no particular reason for doing so beyond arbitrary convenience.
**Gems refer to each other using "she/her" pronouns, but have no particular reason for doing so beyond arbitrary convenience.
***The gendered term "mother" is also applied often to [[Rose Quartz]], a Gem, by Gems, humans, and [[Steven Universe (character)|Steven]], half human, half Gem.
***The gendered term "ma'am" is applied to [[Pearl]], a Gem, by [[Connie Maheswaran|Connie]], a human.<ref>"[[Sworn to the Sword]]" Pearl: ''"We have important training to do, Connie."''Connie: ''"Yes, ma'am."''
**In their default state, Gems typically appear feminine by human standards, and they can use their shapeshifting abilities to deliberately assume overtly gendered forms.
**In their default state, Gems typically appear feminine by human standards, and they can use their shapeshifting abilities to deliberately assume overtly gendered forms.
**Steven is an exception because he is half-human.
**Steven is an exception because he is half-human.

Revision as of 16:01, 8 November 2015

Not to be confused with the Crystal Gems, Homeworld Gems, or gemstones.

The Crystal Gems and Homeworld Gems

"Gems" are an extraterrestrial species of magical beings that play a central role in Steven Universe. Their origins, history, and culture are at this point not well understood, although numerous small hints throughout the series imply that Gems are an interstellar race which at one point maintained several outposts on Earth, but suddenly fled and left many of their artifacts to ruin, with the only Gems currently on Earth being what is left of the Crystal Gems, the corrupted Gem Monsters, along with a small group of stranded gems from the Gem Homeworld.





Hybrid Fusions

Forced Fusions

Corrupted Gems

Unknown Gems


Garnet and Amethyst, shape-shifting to play Steven Tag.

Gems as a species are characterized by the gemstone each Gem has embedded somewhere on their bodies which seems to be analogous to a brain or CPU.

Garnet altering her form.

Gems' physical forms are projections from their gemstone,[2] and Gems may change their physical form at will (although shapeshifting is not permanent and Gems will return to their "default" form eventually), with their only constant feature being their gemstone and color palette. All Gems are inherently sexless and the species lacks sexual dimorphism, although Gems' physical forms typically have characteristics associated with human femininity, with the only exception thus far being Steven, due to his half human parentage.

An example of both Lapis Lazuli's hydrokinesis and the Crystal Gems summoning their weapons.

Gems have numerous abilities, which can vary from Gem to Gem, including weapon-summoning, fusion, the power to 'store' material in their gemstones, and bubble creation. Lapis Lazuli has no weapon but instead possesses hydrokinesis.[3] Similar to this is Pearl's Psammokinesis. All Gems with their own weapon have the ability to direct energy through their weapons, such as Garnet using her gauntlets to charge Greg's van, Pearl firing an energy blast from the tip of her spear, and Amethyst sending bursts of energy through her whip or whips.

Pearl, retreating to her gemstone.

Gems are functionally immortal and do not require food or sleep (although Gems can still eat and sleep if they so desire). The only way to permanently destroy or "kill" a Gem is to destroy their gemstone. If a Gem's physical form is badly injured, they will retreat into their gemstone to regenerate. Regeneration is special in that Gems can make permanent changes to their physical form while regenerating. The length of the regeneration process can range from minutes to weeks, but a "rushed" regeneration can suffer from physical deformities (such as Amethyst in "Reformed"). Regeneration can be prevented if a Gemstone is bubbled or otherwise constricted, such as within a mirror or a pillow.

File:Am glitch.png

Amethyst, "glitching".

If a Gem's gemstone is damaged, their physical form will deteriorate and "glitch". Gem Shards, the remnants of a shattered gemstone, possess a "powerful partial consciousness" which can grant sentience to their containers and have been used to create drone soldiers.[4] Gem Shards have also been forced to fuse together over time to form a Cluster Gem.



Ancient Gems at the Lunar Sea Spire.

  • There are two known groups of Gems: Homeworld Gems and Crystal Gems.
    • The Homeworld Gems are gems currently living on the Gem Homeworld. Historically, Homeworld Gems wished to exploit Earth and established a foothold on the planet, by which they used to create new Gems, known as a Kindergarten. The "Homeworld Gems", including Peridot, Jasper, Lapis Lazuli and their currently unseen superior known as Yellow Diamond, are a hostile military force that invades planets, bleeds their natural resources dry, and "leaves them for dead."
    • The Crystal Gems are a group of rebels who chose to join Rose Quartz in the fight against Homeworld in order to defend Earth. The only Crystal Gems that remain are Garnet (the fusion of Ruby and Sapphire), Amethyst, Pearl, and Steven, the son of Rose Quartz.
    • Over five thousand years prior to the start of the series, Rose Quartz organized the Crystal Gems to oppose the Homeworld Gems. The Crystal Gems won, as stated by Pearl in "Rose's Scabbard", and the Homeworld Gems were driven from Earth, leaving behind many relics and temples.
  • Gem civilization is very advanced, capable of creating spaceships, pocket dimensions, and teleporters.
  • Gem culture is quite different from human culture, given the Crystal Gems' confusion over seemingly everyday human cultural practices, such as birthdays and video games.

Examples of Gem language, as seen in "Steven the Sword Fighter".

  • The Gem culture is an ancient one, predating all known human civilizations.
  • Gems have their own written language, which is inscribed on many of their temples, as first seen in Steven's Room in the "Pilot".
  • Gem architecture can be seen scattered across the Earth in the form of the structures, such as the Lunar Spire, the Communication Hub and the Galaxy Warp.
  • While there has never been mention of Gems practicing any form of spiritualism, the existence of the Moon Goddess Statue, along with the Sea Shrine and the Pyramid Temple, imply some sort of belief system.
  • While Gems are incapable of reproduction, romantic relationships do exist in their society, such as that of Ruby and Sapphire.[5]
  • The Gem Homeworld maintains a strict caste system based on Gemstone, in "Back to the Barn", Peridot describes how Pearls are created to be servants and meant to be completely subservient to their owners, and the rarity of a Peridot owning a Pearl.
    • In Too Far there seems to be a broader type of Gems called Quartz. Quartz Gems are created to be large and intimidating soldiers which includes Jasper and Amethyst.

Gem types

In Guide to the Crystal Gems (Steven Universe). It is shown that each gem has a Gem type. Which are:

  • Pearls - in Back to the Barn, Peridot stated that pearls are an accessory and a made-to-order servant who are just there for standing around, looking nice, taking orders, and holding other Gems' stuff. It is implied that there are varying qualities, and that Pearl is an especially fancy one.
    • Pearl - an independent pearl who breaks the rules of what a pearl is supposed to be.
  • Peridots - Peridots are known to be technicians and have a higher rank than pearls.
    • Peridot - the only known peridot in the series who is a certified 'kindergartener' and technician.
  • Lapis lazuli - currently has no known information on what lapis lazulis are supposed to be.


  • Gems do not have genders.
    • Gem culture does not have a gender binary or a concept of gender.
    • Gems refer to each other using "she/her" pronouns, but have no particular reason for doing so beyond arbitrary convenience.
      • The gendered term "mother" is also applied often to Rose Quartz, a Gem, by Gems, humans, and Steven, half human, half Gem.
      • The gendered term "ma'am" is applied to Pearl, a Gem, by Connie, a human.[6]
    • In their default state, Gems typically appear feminine by human standards, and they can use their shapeshifting abilities to deliberately assume overtly gendered forms.
    • Steven is an exception because he is half-human.
      • Stevonnie's precise canonical gender is currently unspecified,[7] however Matt Burnett has stated that Stevonnie uses gender-neutral they / them pronouns.[8]





It has been confirmed by Rebecca Sugar that Gems don't naturally reproduce[15] and lack reproductive organs by default.

In the short "How are Gems made" It's explained that Gems "aren't born, they're made when some Gems from outer space came here with these big machines! They put the machines on Earth and shot this junk into the ground, and then boom, you pop right out!". In addition it's revealed that Gems are formed fully developed "being a weak baby would be a pain, so, they suck up all the good stuff from the ground so we pop out all big and strong".

In "On the Run", it is revealed that the Homeworld Gems invaded Earth several thousand years ago and used Kindergarten to create new Gems using the method described in "How are Gems made"; and that Amethyst was one such Gem. This process was very harmful to the environment to the point where, if it were allowed to continue, it would lead to "the destruction of all life on Earth", according to Pearl in "Marble Madness". Amethyst refers to all the Gems created through the process, herself included, as "parasites".

While biological reproduction is an alien concept to Gems, it is not impossible for them; while Gems can't reproduce with each other they can create Gem-hybrid offspring. Through shape-shifting, they can perfectly replicate reproductive organs of organic beings for their "human constructs" in order to reproduce.[16] Rose Quartz is the only Gem to have done this and her son, Steven, inherited her Gemstone, without which she could not project a physical form and subsequently "died".

Corrupted Gems

In "Ocean Gem", Pearl states, "All Gems aren't necessarily good." Gem Monsters are in fact either "corrupted" or "broken" Gems which, presumably, were unable to maintain humanoid form and sentience.


  • Fusions are capable of further fusing with Gems, as exhibited in "Coach Steven" (in which Garnet fuses with Amethyst).
  • Fusions tend to highly exaggerate whatever personality traits are shared amongst the majority of the Gems comprising the Fusion. Sugilite seems to inherit her impulsive and irrational behavior from Ruby and Amethyst, while Sardonyx seems to get her haughty and self-absorbed personality from Sapphire and Pearl.
  • When Gems in a given Fusion have incompatible personalities, or have conflicting motives for fusing, and for whatever reason do not (or can not) terminate the Fusion, it results in an Unstable Fusion. When this happens, the constituent Gems risk losing touch with their individual personalities the longer the Fusion persists.
    • In "Coach Steven", Sugilite is the first example of Gems remaining as an unstable Fusion for too long. It can be surmised that this case arose because Ruby and Amethyst have many similarities in personality, while Sapphire's personality strongly contrasts with both. Sapphire's presence was enough to cause instability, but not enough to "outvote" Ruby and Amethyst and cancel the Fusion.
    • Malachite is another example. At the end of "Jail Break", Jasper is clearly trying to escape the Fusion. Either Jasper has very low willpower (not unlikely, considering her barbaric personality), or Lapis Lazuli has a great deal of mental fortitude, or a combination of both.
  • The majority of known Gem weapons are medieval: Garnet's gauntlets, Pearl's spear, Amethyst's whip, Steven/Rose's shield, Opal's longbow, Sugilite's flail, Jasper's crash-helmet, Ruby's gauntlet, and Sardonyx's war hammer.
  • The process for each Gem to summon their weapons depends on a different state of mind for each of them.
    • Amethyst places little effort or concentration, claiming that it "just happens" when she needs to summon her weapon.
    • Pearl claims that her process as being perfect and calculated, using the science of a flower petal dancing in the wind to describe how hard work and dedication can help master the properties of one's own gemstone and "perform their own dance".
    • Garnet claims that she summons her gauntlets by linking her mind with the energy of all existing matter, channeling the collective power of the universe through her gem(s), matching her calm and meditative temperament.
    • Steven's means of summoning his shield is still unknown, though it is thought to be caused when he experiences pure joy, having first activated his gem after taking a bite of his favorite ice-cream sandwich, his ability to summon his weapon can also be attributed to the feelings of love and the desire to protect.
      • Say Uncle reveals that Steven's powers are maternal, and that he summons his shield to protect the things he cares about. Though the episode is considered non-canon, the description of how Steven summons his shield seems to be accurate.
  • Ian Jones-Quartey has stated that Steven is the first Gem to use masculine pronouns.
    • Rebecca Sugar and Ian Jones-Quartey have stated that Gems use feminine pronouns by default.[17]
    • Although Gems are genderless, in their human-like forms they are anatomically constructed similarly to human women, and referred to by the pronouns used by human women.
    • This is demonstrated in "Ocean Gem", as Pearl called Lapis "she."
    • Pearl also referred to Rose Quartz as "she", while reminiscing in "Rose's Scabbard".
    • Garnet, Pearl, and Steven referred to Peridot as "she".
      File:Friend Ship 134.jpg

      What appears to Gemstones powering a mechanism in an ancient Gem ship.

    • Garnet referred to Jasper as "she".
  • Gemstones can be used as a power source, even if damaged.
  • In Chille Tid, Gems are shown to be able to sleep and dream like humans, though like eating they do not require sleep in order to function. However it is also shown that Gems can tire physically when exhausted.
  • Gem's physical bodies are capable of producing bodily fluids, and in "Coach Steven", Pearl can be observed to have scrapes on her "skin".
  • Pearl referred to their bodies as "human construct(s)" in "Fusion Cuisine".
  • Ian Jones-Quartey has stated that Gems do possess DNA, and that Rose Quartz was able to pass her traits on to Steven, although this would contradict Pearl's implication that Gems are inorganic in Alone Together.[18]
    • This is explained in the Guide to the Crystal Gems, the Gem equivalent to genetic information is stored in the Gemstone, and Rose was able to integrate this information with Greg's DNA by giving up her physical form and passing her Gem along to Steven.
  • Gem-hybrids can fuse with humans, such as Steven did with Connie to form Stevonnie, but it's unknown if hybrids can fuse with Gems.
  • There can be multiple Gems of the same type.
    • In The Return and Friend Ship, both Jasper and Pearl herself have referred to her as "a Pearl", implying there are more.
    • In When It Rains, Peridot assumes that Steven is "some kind of Quartz" from an Earth's kindergarten.
    • In Guide to the Crystal Gems, Steven, Amethyst, Rose and Jasper all have their Gem type listed as Quartz.
    • Peridot states in "Back to the Barn" that Pearls are mass-produced as a subservient race, and implies that Peridots are used as technicians.
  • It is unknown if the placement and shape of a gemstone is a choice, or a default.
  • Gems' skin tones are always related to the color of their gemstones,[19][20] however they don't always match precisely, for example Rose Quartz's skin tone has a lighter, peachier shade than her gemstone.[21]
  • In the comic series, Pearl has been shown to absorb objects into her gem and has gotten sick when she absorbed too many objects into her gem. It is unclear whether other Gems can do this.
    • This ability may be inherent to Pearls specifically, as it would account for Peridot's comments about Pearls being made to hold things.
    • Although, in Serious Steven, Garnet appears to be storing the temple key in her gems since she had to summon it as she wasn't carrying it with her prior to arriving at the Gem Battlefield.
  • It is implied that Gems either don't need to breathe, can hold their breath for long periods of time, or breathe differently from humans.
  • In "Nightmare Hospital", it is revealed Gems do not have a heart or heartbeat.
  • While Gems do not require sustenance, it is implied in "Catch and Release" that they produce bodily waste after consuming food.


  1. Watermelon Gem confirmation
  2. "What are Gems?" short
  3. Ian Jones-Quartey on Twitter: Q: "What are Lapis and Peridot's weapons?" A: "Lapis' weapon is water control! You'll just have to keep watching to find out more about Peridot."
  4. "Frybo" Pearl: "These Shards have a powerful partial consciousness that has been harnessed by Gems throughout history in order to create semi-sentient drone soldiers with the capacity to follow basic orders."
  5. Joe Johnston on Tumblr: Q: "are you allowed to tell us if Sapphire and Ruby's love is romantic or more platonic?" A: "Romantic yo"
  6. "Sworn to the Sword" Pearl: "We have important training to do, Connie."Connie: "Yes, ma'am."
  7. https://twitter.com/ianjq/status/578413033883508738
    Q: "So real talk, what does this say about Stevonnie's gender? I mean if we want to be cannonically correct, of course!"
    A: "Stevonnie is an experience."
  8. https://twitter.com/mcburnett/status/620637717731217408
    "Stevonnie uses them/they."
  9. https://www.reddit.com/r/IAmA/comments/2e4gmx/i_am_rebecca_sugar_creator_of_steven_universe_and/cjw34bu
    "The real question is, were/ are there any female crystal gems! And the answer is NO"
    "Gems are Gems!"
  10. https://www.reddit.com/r/IAmA/comments/2e4gmx/i_am_rebecca_sugar_creator_of_steven_universe_and/cjw4rfj
    "Steven is the first and only male Gem, because he is half human!"
    "Technically, there are no female Gems! There are only Gems!"'
  11. https://www.reddit.com/r/IAmA/comments/2e4gmx/i_am_rebecca_sugar_creator_of_steven_universe_and/cjw8gre
    Q: "Hey Rebecca, Will we ever get an explanation in the show why Gems have the form of human females? If not, could you explain why?"
    A: "Why not look like human females? That's just what Gems happen to look like!"
  12. https://www.reddit.com/r/IAmA/comments/2e4gmx/i_am_rebecca_sugar_creator_of_steven_universe_and/cjw8ztw
    Q: "I'm not trying to nitpick, because I am very happy with the gems and who they are, but is there any particular reason they use feminine pronouns if gender is irrelevant to them? I would understand if it were just more convenient."
    A: "There's a 50 50 chance to use some pronoun on Earth, so why not feminine ones-- it's as convenient as it is arbitrary!"
  13. http://ianjq.tumblr.com/post/113794156834/i-know-that-the-gems-are-sexless-agendered-etc
    "Ok, i’m gonna try to explain this as simply as I can(apologies in advance if I screw up any gender terminology):"
    "In the world of the show, Gems are an alien species that don’t have a gender binary. They are all the same. (This is very common in fiction. Think of alien species like the Namekians in Dragon Ball.)"
    "Steven on the other hand was created by mixing human and gem DNA so he’s a completely new kind of being. He is the only gem to be born thru biological reproductive means(Rose shapeshifted a womb for him to be born from). In Earth terms, he identifies as male so the Crystal Gems have no problem using he/him pronouns with him. (Jasper, who has no concept of this, refers to Steven as if he is Rose)"
    "This is similar to how all Smurfs were “male” before Smurfette was created by Gargamel."
    "That said, Gems have the ability to take on gendered forms if they choose to. You’ve seen Amethyst do this."
  14. http://rebeccasugar.tumblr.com/post/113764004948/does-ruby-use-male-or-female-pronouns-since-it-a
    IanJQ: "In the world of the show, gems are an alien species that use feminine pronouns for each other"
    Rebecca: "For everyone wondering about Ruby: she is a Gem"
  15. Gem reproduction
  16. http://ianjq.tumblr.com/post/113794156834/i-know-that-the-gems-are-sexless-agendered-etc
  17. http://rebeccasugar.tumblr.com/post/113764004948/does-ruby-use-male-or-female-pronouns-since-it-a
  18. Gem DNA
  19. http://ianjq.tumblr.com/post/98516324679/can-there-be-a-topaz-gem-please-oh-pretty-please
    "in canon, a Gem’s skin color MUST be related to the color of their gemstone!"
    "Lapis’s skin is blue because the gemstone is blue. Amethyst is purple because the gemstone is purple! Pearl is cream because her Pearl is cream! Garnet is red because etc etc etc!"
  20. http://ianjq.tumblr.com/post/98523846249/q-about-the-gemstone-color-thing-dont-a-lot-of
    "You’re absolutely correct- for instance, if we had designed the character Pearl to have a yellow-colored pearl on her head, her skin would be a yellow shade! Or if we had chosen a green-colored Garnet she would have greenish skin! The main point was: in canon we don’t give Gems “human” skin colors. The skin is based on whatever gem that character has."
  21. http://ianjq.tumblr.com/post/98525160924/if-the-gems-arent-supposed-to-have-human-skin
    "There are rose quartz stones that are peachy light pink. That’s what her skin is based off of."
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