History Main / GlowingGem

* ''DungeonsAndDragons''

* In ''WesternAnimation/AvatarTheLastAirbender'' there is the UndergroundCity of Old Ba Sing Se, which has been buried underneath the modern one. It's constantly lit by green crystal used as street lamps.

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* In the ''ComicStrip/{{Popeye}}'' animation "WesternAnimation/PopeyeInAladdinAndHisWonderfulLamp", Aladdin (played by Popeye) asks the genie of the lamp to deliver a chest of gold and jewels to the princess (played by Olive Oyl). The contents include several head-sized gemstones that bathe the room in colored light, including a diamond that is so brilliant the princess needs sunglasses to look at it -- and her window turns it into a spotlight to illuminate Aladdin posing outside on his horse.

* In one ''WesternAnimation/TomAndJerry'' cartoon, Tom's would-be girlfriend has her rich boyfriend buy for her a '''''huge''''' diamond (about a metre across) -- which can only be safely looked at through welding goggles.

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If it occurs that way naturally, see AllNaturalGemPolish.

* In one TomAndJerry cartoon, Tom's would-be girlfriend has her rich boyfriend buy for her a '''''huge''''' diamond (about a metre across) -- which can only be safely looked at through welding goggles.

** Clerics of the gnome deity cast Light or Continual Light spells on large, well-cut gems for use as holy symbols, causing them to glow from within.

* The gems used in the [[{{Deryni}} Haldanes]]' power triggering ritual glow internally [[BloodMagic when a drop of blood from the next heir(s) comes in contact with the stones]]. This is true for both the Eye of Rom (a single red ruby mounted as an earring) and the Ring Of Fire (a ring with red garnets set in a cluster). ''Shiral'' crystals also glow when a Deryni or someone with an untapped Deryni potential concentrates sufficiently.

* In ''TabletopGame/MagicTheGathering'' the art for [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=366262 Prophetic Prism]] (see also the page image) and [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=135279 Chromatic Star]] depicts these artifact gems as this. It's {{Justified|Trope}} in that they are [[PowerSource Mana]] altering artifacts, capable of energy into death, holy or elemental Mana.

** The following magical gems in 1st/2nd Edition glowed either on command or continuously: Gem of Brightness, Gem of Delusion, Jewel of Obsession, the Jacinth of Inestimable Beauty, and the huge glowing orange Cursed Wishing gem in S1 ''TombOfHorrors''.
** A number of 1st Edition adventures included gems with a Continual Light spell cast upon them to make them glow, such as T1-4 ''The Temple of Elemental Evil'' and I12 ''Egg of the Phoenix''. Continual Light creates a white light: if the gem is colored, the light it gives off will be the same color as the gem.
* ''TabletopGame/CallOfCthulhu''
** ''Dreamlands'' campaign setting, adventure "Pickman's Student". While exploring the dream version of Elder Yuggoth, the {{PC}}s can encounter 4 dully glowing green gems that some Mi-go are using to restrain a Dark Young of Shub-Niggurath. Later on the {{PC}}s see one of the Mi-go sacrifice the Dark Young with a knife that has a blade made of the glowing gemstone.

** In the ''Dreamlands'' campaign setting, adventure "Pickman's Student". While exploring the dream version of Elder Yuggoth, the {{PC}}s can encounter 4 dully glowing green gems that some Mi-go are using to restrain a Dark Young of Shub-Niggurath. Later on the {{PC}}s see one of the Mi-go sacrifice the Dark Young with a knife that has a blade made of the glowing gemstone.

* In the ''ComicStrip/{{Popeye}}'' animation "Aladdin and his Wonderful Lamp", Aladdin (played by Popeye) asks the genie of the lamp to deliver a chest of gold and jewels to the princess (played by Olive Oyl). The contents include several head-sized gemstones that bathe the room in colored light, including a diamond that is so brilliant the princess needs sunglasses to look at it -- and her window turns it into a spotlight to illuminate Aladdin posing outside on his horse.

Subtrope of FantasticLightSource. Can sometimes overlap with PowerCrystal via PowerGlows.

!!Examples:
[[AC:Folklore and Mythology]]

[[AC:Literature]]

[[AC:Music]]

[[AC:Toys]]

[[AC:Video Games]]

[[AC:Western Animation]]

[[AC:Real Life]]

** Campaign ''Spawn of Azathoth''. The Investigators can acquire two stones that are necessary to deal with the Seed of Azathoth. At the climax of the adventure, the stones become strange fist-sized, glowing ovoid gems that increase greatly in weight.

* The gems used in the [[{{Deryni}} Haldanes]]' power triggering ritual glow internally [[BloodMagic when a drop of blood from the next heir(s) comes in contact with the stones]]. This is true for both the Eye of Rom (a single red ruby mounted as an earring) and the Ring Of Fire (a ring with red garnets set in a cluster). Shiral crystals also glow when a Deryni or someone with an untapped Deryni potential concentrates sufficiently.

* The gems used in the [[{{Deryni}} Haldanes]]' power triggering ritual glow internally [[BloodMagic when a drop of blood from the next heir(s) comes in contact with the stones]]. This is true for both the Eye of Rom (a single red ruby mounted as an earring) and the Ring Of Fire (a ring with red garnets set in a cluster).

* The gems used in the Haldanes' power triggering ritual glow internally [[BloodMagic when a drop of blood from the next heir(s) comes in contact with the stones]]. This is true for both the Eye of Rom (a single red ruby mounted as an earring) and the Ring Of Fire (a ring with red garnets set in a cluster).

* As the acronym indicates, lasers ''increase'' the amount of light effectively available by making the photons work with, rather than against, each other. The first laser was a(n artificial) ruby.

Can sometimes overlap with PowerCrystal via PowerGlows.

->Remember when you were young,\\

->Remember when you were young,\\
You shone like the sun?\\

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(Indices: AddedAlliterativeAppeal, PowerCrystal, PowerGlows, any others?...)