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[[quoteright:347:[[Series/StargateSG1 http://static.tvtropes.org/pmwiki/pub/images/SkullDan2_1764.jpg]]]]
[[caption-width-right:347:[[WesternAnimation/HeManAndTheMastersOfTheUniverse1983 By the power]] of ''this'' skull!]]

In the 20th century, skulls made of crystal were showing up, with people claiming to have discovered them, and that they had Mayan or Aztec origins, and were said to have supernatural powers. Well, it's likely these were hoaxes. Not only were no skulls examined found in a documented excavation, all were dated from no earlier than the 19th century, and there are no authentic Native American or early modern colonial sources that describe anything analogous.

But fiction follows RuleOfCool, and the supernatural powers attributed to these skulls are plenty for shows.

Also, despite the skulls actually being made of crystal, works of fiction often depict them as skulls that are simply GemEncrusted.

A SubTrope of PublicDomainArtifact. Compare RingOfPower, MaskOfPower, FlamingSkulls, CrystalBall, SilverHasMysticPowers. Not to be confused with ByThePowerOfGreyskull.


* ''Anime/SpacePatrolLuluco'' has a crystal skull appear in a FreezeFrameBonus as one of the several mysterious artifacts and things stolen by [[spoiler:the Blackholeians]], including the Lost Continent of Mu and the [[https://en.wikipedia.org/wiki/Antikythera_mechanism Antikytera mechanism]].
* ''Anime/YuGiOh5Ds'' has a monster card called "Crystal Skull" that damages the user's Life Points when it's summoned.

* ''Film/IndianaJonesAndTheKingdomOfTheCrystalSkull'' had them as the skulls of extra-dimensional aliens with whole skeletons made of crystal.
* ''Film/{{The Phantom|1996}}'' revolved around gathering three mystic skulls carved entirely from precious materials, respectively silver, gold, and jade.
* In the second of ''Film/TheLibrarian'' films, Flynn recovers a crystal skull early on as a prelude to show the kind of things he does.
* The plot of ''Film/HouseIITheSecondStory'' revolves around one of these skulls, which can (supposedly) grant immortality to its owner.

* A crystal skull was found in a giant alien pyramid in ''Series/StargateSG1''. It matched one found in an ancient Mayan temple back on Earth. Apparently, Quetzalcoatl was actually a giant alien - [[AllMythsAreTrue no surprise there]] - and the skulls are a way of contacting him.
* ''Creator/ArthurCClarke's Mysterious World'' used a crystal skull in its opening titles.
* ''Series/TheGoodies''. A parody of Mysterious World had the crystal skull [[DemBones wishing everyone "Nighty night!"]]
* In an episode of ''Series/PeepShow'', Mark meets a woman whom he actually likes. Too bad for him she fervently believes in the magical powers of crystal skulls. [[ManHands This is a bit much for him.]]
* In an epic example of WhatCouldHaveBeen, a planned but never filmed episode of ''Series/StarTrekTheNextGeneration'' would have featured an archaeologist studying the ruins of an ancient civilization (the "Faran Empire," of which the Ferengi homeworld was said to be a former colony). She finds a Crystal Skull that is said to have belonged to a line of ancient rulers. The Skull influences Riker's behavior and he becomes increasingly aggressive and egotistical while leading an away mission that is competing with the Ferengi to obtain the skull (it's the Ferengi equivalent of the Holy Grail) and learn the secrets of the Faran Empire. The episode would have ended with the destruction of the skull and the end of its influencing powers.

* Music/DoctorSteel had a song called "Curse of the Crystal Skull", about greed for such an object that dooms a pirate.

* ''Pinball/IndianaJonesStern'' has a gimmick for each of the four Indiana Jones films. Naturally, a crystal skull is featured in the section for ''Indiana Jones and the Kingdom of the Crystal Skull''.

* The ''TabletopGame/{{GURPS}}'' 3E supplement ''Warehouse 23'' has an entry on a Crystal Skull. It's a FamouslyMundaneFictionallyMagical version of a crystal skull that was found in RealLife in British Honduras in the 1920s. It allows its owner to cast the Divination spell, and it can use all Telepathic powers on its own.
** Their rather humorous site related to said {{sourcebook}} also has a number of related artifacts submitted by fans. Such as a headless Crystal Skeleton.
* The Mayan-themed board game ''Tzolkin'' features crystal skulls as a resource. They're used to take actions on the Chichen Itza section of the board, which scores big points and allows you to advance up one of the three temple tracks (which can net you even more points).
* ''TabletopGame/{{Scion}}'': Dr. Aaron Tigrillo, Scion of Tezcatlipoca, has a Crystal Skull to act as his guide, and source of magic.
* TabletopGame/YuGiOh TCG: Chronomaly Crystal Skull is based on "Crystal skulls".

* ''[[Ride/IndianaJonesAdventure Indiana Jones Adventure: Temple of the Crystal Skull]]'' at [[Ride/DisneyThemeParks Tokyo [=DisneySea=]]] naturally revolves a crystal skull.

* The ''VideoGame/NancyDrew'' video game, ''Legend of the Crystal Skull''
* ''VideoGame/{{Zork}}'' has a crystal skull treasure to collect.
* Parodied in ''VideoGame/KingdomOfLoathing'' with the crystal skull, which is used to scare away monsters and turns out to consist of worthless glass.
* In ''VideoGame/LaMulana'', the Crystal Skull is a late-game PlotCoupon that grants access to the Dimensional Corridor. Show it to Xelpud in the remake, and he'll comment that [[Film/IndianaJonesAndTheKingdomOfTheCrystalSkull they made a]] [[TakeThat terrible movie based on it]].
* A crystal skull appears in ''VideoGame/{{Spelunky}}'' as a treasure in {{jungle|Japes}} levels. Trying to take one automatically summons a ghost, but bringing it to the exit is worth a lot of money.
* ''VideoGame/FortuneSummoners'' has an item called the crystal skull which increases max MP
* ''[[VideoGame/AtlantisTheLostTales Atlantis]] III: The New World'' revolves around a crystal skull that contains the secret to humanity's evolution.
* ''VideoGame/AssassinsCreedIVBlackFlag'' has a data file about crystal skulls that you can obtain by hacking a computer at Abstergo Entertainment in the modern-day section. Later, [[spoiler: in Edward Kenway's story, a crystal skull turns out to be the {{Macguffin}}, as in, the object that makes the Observatory so sought after by the Templars.]]
* One shows up as one of the treasures in ''VideoGame/WarioLand Shake It''. Complete with an amusing description:
** " ...From a crystal...man?"
* A late-game section of ''VideoGame/FlightOfTheAmazonQueen'' takes place in a temple where you must find a crystal skull.
* ''VideoGame/ParasiteEve2'' has a crystal skull as an item you can collect. Putting it in a slot in your armor would boost your attack and defense while using the item itself boosts your fire elemental powers by one level.
* ''VideoGame/PlantsVsZombies2ItsAboutTime'' features the Turquoise Skull Zombie in the Lost City, who uses his Turquoise Skull to [[BanditMook absorb sun]] and fire it out as a OneHitKill beam forward. His almanac even references that unlike crystal skulls, turquoise skulls are non-mysterious and common as dirt.
* A crystal skull is one of the artifacts you can find in ''Mii Trek'' in ''VideoGame/StreetPassMiiPlaza''. Of course, it is linked to extraterrestrial involvement in the area. [[spoiler:Your guide Beaksley is one such alien, though he isn't aware of it until later]].

* Webcomic/KarateBears skulls are actually [[http://www.karatebears.com/2012/06/crystal-head.html crystal skulls!]]

* A crystal skull was a powerful item sought in the first episode of ''WesternAnimation/GoldieGoldAndActionJack''.
* The second season of ''WesternAnimation/AmericanDragonJakeLong'' had a continuing plot of collecting the 13 crystal skulls. When they are brought together, one wish is granted to the bearer.

* All of the real crystal skulls, including the most notorious, the [[http://www.archaeology.org/online/features/mitchell_hedges/facts.html Mitchell-Hedges Skull]], that have been subjected to scientific examination, have been determined to have been constructed using twentieth-century tools and machinery. Naturally those who believe (or want to believe) the story of the crystal skulls find ways to explain this away, such as saying [[InsaneTrollLogic the tool marks on the skulls aren't because they're modern hoaxes, they're because the ancient Maya had power tools]].
* The British Museum now describes its crystal skull as "most-likely produced in the nineteenth century in Europe". A scientific examination of this skull and one owned by the Smithsonian Institution suggested that they had been shaped using lathe-mounted jewellers' wheels.
* Creator/DanAykroyd co-founded Crystal Head Vodka, arguably the BunnyEarsLawyer of spirits: a super-premium vodka ($100 for a fifth, and from the reviews worth every penny) which comes in a bottle shaped like a crystal-clear skull. He's very interested in the legend of the 13 Crystal Skulls.
* A company has actually made and put on retail a 3-dimensional puzzle made of "crystalline" plastic that can be assembled to form a [[https://www.youtube.com/watch?v=YACOJMbZCgg miniature skull]].
* On extremely rare occasions, bones can become gemstone rather than common stone; the process is called opalization and has been known to occur to skulls.