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Dr Who

Up to date as of January 31, 2010

From TARDIS Index File, the free Doctor Who reference.

Quartz or PJX1-8 is a crystalline mineral abundant on the planet Earth but rarer elsewhere. (DW: The Pirate Planet)

Quartz is frequently used for decorative purposes but its electrical properties make it valuable in electronics. It is often used as a component of clocks. (DW: The Sontaran Experiment) Quartz arranged in regular patterns within rock can form circuit boards. (NSA: The Deviant Strain)

Notable Uses

  • Quartz eyes were set from behind in the faces of the Cave of Five Hundred Eyes in China. They reflected light to give the appearance of movement but could also be removed to view through. (DW: Marco Polo)
  • The Dome of Whispers on Suf was made of quartz-veined marble. (VD: Decalog 5: Wonders: Dome of Whispers)
  • The first Dalek Emperor, upon taking the title, ordered the gathering of quartz for the creation of his special casing. (DC: Genesis of Evil)
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This article uses material from the "Quartz" article on the Dr Who wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Up to date as of February 02, 2010

Memory Beta, the wiki for licensed Star Trek content.

Quartz is a mineral, common on planets throughout the galaxy.

In 2370 the Horta Ttan found a vein of Quartz when she was looking for Latinum on the moon Davonia. (DS9 novel: Devil in the Sky)


This article uses material from the "Quartz" article on the Memory-beta wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Up to date as of February 08, 2010

From Halopedia, the Halo Wiki

(2 votes)
There is more information available on this subject at Quartz on the English-language Wikipedia.

Quartz (from German "Quarz") is the most abundant mineral in the Earth's continental crust. It is made up of a lattice of silica (SiO2) tetrahedra. Quartz has a hardness of 7 on the Mohs scale and a density of 2.65 g/cm³.

Quartz belongs to the rhombohedral crystal system. The ideal crystal shape is a six-sided prism terminating with six-sided pyramids at each end. In nature quartz crystals are often twinned, distorted, or so intergrown with adjacent crystals of quartz or other minerals as to only show part of this shape, or to lack obvious crystal faces altogether and appear massive. Well-formed crystals typically form in a 'bed' that has unconstrained growth into a void, but because the crystals must be attached at the other end to a matrix, only one termination pyramid is present. A quartz geode is such a situation where the void is approximately spherical in shape, lined with a bed of crystals pointing inward.

Pure quartz is colorless or white, colored varieties include rose quartz, amethyst, smoky quartz, milky quartz, and others. Quartz goes by an array of different names. The most important distinction between types of quartz is that of macrocrystalline (individual crystals visible to the unaided eye) and the microcrystalline or cryptocrystalline varieties (aggregates of crystals visible only under high magnification). Chalcedony is a generic term for cryptocrystalline quartz. The cryptocrystalline varieties are either translucent or mostly opaque, while the transparent varieties tend to be macrocrystalline.

Although many of the varietal names historically arose from the color of the mineral, current scientific naming schemes refer primarily to the microstructure of the mineral. Color is a secondary identifier for the cryptocrystalline minerals, although it is a primary identifier for the macrocrystalline varieties. This does not always hold true.

Major Varieties
Chalcedony Any cryptocrystalline quartz, although generally only used for white or lightly colored material. Otherwise more specific names are used.
Agate Multi-coloured, banded chalcedony, semi-translucent to translucent
Onyx Agate where the bands are straight, parallel and consistent in size.
Jasper Opaque chalcedony, typically red to brown
Aventurine Translucent chalcedony with small inclusions (usually mica) that shimmer.
Tiger's eye Fibrous gold to red-brown coloured quartz, exhibiting chatoyancy].
Rock crystal Clear, colorless
Amethyst Purple, transparent
Citrine Yellow to reddish orange to brown, greenish yellow
Prasiolite Mint green, transparent
Rose quartz Pink, translucent, may display asterism
Rutilated quartz Contains acicular (needles) inclusions of rutile
Milk quartz White, translucent to opaque, may display diasterism
Smoky quartz Brown to grey, opaque
Morion Dark-brown, opaque
Carnelian Reddish orange chalcedony, translucent

Quartz is found on the planet Onyx. This was reported on in ENGCORP Field Report A79052.[1]

A pink quartz monolith was on display at the Côte d'Azur Museum of Natural History on Sigma Octanus IV. Upon first engaging two Hunters in the room, SPARTAN Blue Team used Shredder Rounds to blow the floor under the Hunters' feet. When the Hunters fell to the floor below, John-117, Kelly-087, Fred-104, and James pushed the quartz monolith onto the Hunters, pinning them.[2]


  1. Halo: Ghosts of Onyx pg. 124
  2. Halo: The Fall of Reach pgs. 204-208

This article uses material from the "Quartz" article on the Halo wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Up to date as of February 04, 2010

From Wookieepedia, the Star Wars wiki.

Quartz was a common mineral composed of silicon and oxygen. Zeka quartz was a variety.

There was an outcropping of quartz on Bakura.[1]




See also

Notes and references

This article uses material from the "Quartz" article on the Starwars wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Up to date as of February 06, 2010

From Yu-Gi-Oh Card Maker Wiki

Quartz Crystal
Attribute: EARTH Image:Earth.png
Types: Rock/Effect
Level: 4 Image:Star.pngImage:Star.pngImage:Star.pngImage:Star.png
ATK/DEF: 1000/2000
Card Lore: When this card is sent to the Graveyard except as a result of battle, you can special summon 2 'Obsidian', 1 from your hand and 1 from your deck.
Sets with this Card: Dawn of Ragnarok - DWRG - EN018
Rarity: Common
Card Limit: Unlimited
Other Card Information: Gallery - Rulings
Tips - Errata - Trivia
Lores - Artworks - Names
Facts about QuartzRDF feed
Level 4  +

This article uses material from the "Quartz" article on the YCM wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


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