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Quartz varieties
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Summary Of: Quartz

Quartz crystal cluster from... varieties of quartz have been since antiquity the most commonly used minerals in the making of... Quartz belongs to the... In nature quartz crystals are often... or so intergrown with adjacent crystals of quartz or other minerals as to only show part of this shape... quartz is the most stable form of silicon dioxide... Quartz will remain stable up to 573... As the pressure increases the temperature at which quartz will lose stability also increases... low quartz or just quartz... quartz has higher symmetry... so easily accomplished that when a crystal of quartz is heated to... then when all is done the quartz will be the same as when it started... quartz is relatively slight... or bent in quartz and are not so... Although all quartz at temperatures lower than 573... quartz but are actually examples of pseudomorphic or... These crystals are of higher symmetry than low quartz although low quartz can form similar crystals to them... Quartz goes by an array of different names... The most important distinction between types of quartz is that of... is a variety of quartz whose color ranges from a pale yellow to brown... is a type of quartz which exhibits a pale pink to rose red hue... Rose quartz is not popular as a gem... Rose quartz is more often carved into figures such as people or hearts... Hearts are commonly found because rose quartz is pink and an affordable mineral... is a popular form of quartz that ranges from a bright to dark or dull purple color... may be the most common variety of crystalline quartz and can be found almost anywhere... Cryptocrystalline quartz and moganite mixture... A synthetic quartz crystal grown by the... Not all varieties of quartz are naturally occurring... Due to natural quartz being so often... much of the quartz used in industry is synthesized... Quartz is an essential constituent of... Large crystals of quartz are found in... Naturally occurring quartz crystals of extremely high purity... A major mining location for high purity quartz is the Spruce Pine Gem Mine in... is a denser polymorph of quartz found in some meteorite impact sites and in metamorphic rocks formed at pressures greater than... pressure polymorph of quartz found in some meteorite impact sites... Quartz is the most common material identified as the mystical substance... and the Middle East the different varieties of quartz were the most commonly used for the various types of... believed quartz to be water... He supported this idea by saying that quartz is found near glaciers in the Alps... and that large quartz crystals were fashioned into spheres to cool the hands... He also knew of the ability of quartz to split light into a... s study of quartz paved the way for modern... invented the commercial quartz crystal manufacturing process in... This initiated the transition from mined and cut quartz for electrical appliances to manufactured quartz... George Washington Pierce designed and patented quartz crystal oscillators in 1923... Warren Marrison created the first quartz oscillator clock based on the work of Cady and Pierce in 1927... An early use of this property of quartz crystals was in... One of the most common piezoelectric uses of quartz today is as a... The resonant frequency of a quartz crystal oscillator is changed by mechanically loading it... Milky quartz at Mineral Galleries... Terminology used to describe the characteristics of Quartz Crystals when used as oscillators...

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Quartz (disambiguation) | | Tibet | Chemical formula | silicon dioxide | Strunz classification | Crystal habit | Crystal system | trigonal | hexagonal | Twinning | Cleavage | Fracture | Mohs scale | Luster | Streak | Specific gravity | Refractive index | Birefringence | Pleochroism | Melting point | tridymite | cristobalite | Solubility | STP | Piezoelectric | pyroelectric | triboluminescent | mineral | Earth | continental crust | feldspar | silicon | oxygen | tetrahedra | SiO2 | gemstones | jewelry | hardstone carvings | German | Middle High German | Slavic | | | | | trigonal | crystal system | ideal crystal shape | prism | pyramids | twinned | geode | kilobar | | | transparent | translucent | amethyst | microcrystalline | cryptocrystalline | Chalcedony | monoclinic | moganite | agate | sard | onyx | carnelian | heliotrope | jasper | Citrine (disambiguation) | | | topaz | ferric | amethyst | smoky quartz | Brazil | Rio Grande do Sul | Latin | birthstones | | | titanium | iron | manganese | rutile | asterism | X-ray diffraction | dumortierite | phosphate | aluminium | pegmatite | Rumford | Maine | Minas Gerais | Brazil | | | Amethyst | | | | | cameo | onyx | engraved gem | Augustus | fluid inclusions | Chalcedony | Agate | Onyx | Jasper | Aventurine | Tiger's Eye | chatoyancy | Amethyst | Prasiolite | diasterism | rutile | Smoky quartz | Carnelian | | | hydrothermal method | Prasiolite | citrine | Carnelian | twinned | autoclave | hydrothermal process | emeralds | silicon dioxide | granite | felsic | igneous rocks | sedimentary rocks | sandstone | shale | carbonate rocks | schist | gneiss | quartzite | metamorphic rocks | weathering | soils | hydrothermal | veins | gangue | ore | pegmatites | weigh | semiconductor | Spruce Pine, North Carolina | Tridymite | cristobalite | polymorphs | volcanic | Coesite | Stishovite | Lechatelierite | amorphous | glass | lightning | sand | | | Fatimid | | | transparency | German | About this sound | help | info | Saxon | maban | Australian Aboriginal mythology | Newgrange | Carrowmore | Republic of Ireland | Irish | jade | East Asia | Pre-Columbian | jewelry | hardstone carving | engraved gems | cameo gems | rock crystal vases | Pliny the Elder | ice | spectrum | Nicolas Steno | crystallography | Cleveland | Ohio | United States | piezoelectric | Jacques | Pierre Curie | quartz oscillator | Walter Guyton Cady | piezoelectric | mechanical stress | phonograph | crystal oscillator | quartz clock | quartz crystal microbalance | thin-film thickness monitors | Wikisource | Fused quartz | List of minerals | Shocked quartz | Quartz reef mining | ISBN 0-582-44210-9 | ISBN | 0-471-80580-7 | Smithsonian Institution | Smithsonian Institution | Smithsonian Institution | Smithsonian Institution | v | d | Jewellery | Forms | Anklet | Belt buckle | Belly chain | Bracelet | Brooch | Chatelaine | Crown | Cufflink | Earring | lapel pin | Necklace | Pendant | Ring | Tiara | Tie clip | Watch | pocket | Bench jeweler | Goldsmith | Jewelry designer | Lapidary | Watchmaker | Casting | centrifugal | lost-wax | vacuum | Enameling | Engraving | Filigree | Metal clay | Plating | Polishing | Repoussé and chasing | Soldering | Stonesetting | Wire wrapping | Draw plate | File | Hammer | Mandrel | Pliers | Precious metals | Gold | Palladium | Platinum | Rhodium | Silver | alloys | Britannia silver | Colored gold | Crown gold | Electrum | Platinum sterling | Shakudo | Shibuichi | Sterling silver | Tumbaga | Base metals/alloys | Brass | Bronze | Copper | Kuromido | Pewter | Stainless steel | Titanium | gemstones | Aventurine | Agate | Alexandrite | Amethyst | Aquamarine | Carnelian | Citrine | Diamond | Emerald | Garnet | Jade | Jasper | Malachite | Lapis lazuli | Moonstone | Obsidian | Onyx | Opal | Peridot | Ruby | Sapphire | Sodalite | Sunstone | Tanzanite | Tiger's Eye | Topaz | Tourmaline | gemstones | Amber | Copal | Coral | Jet | Pearl | Abalone | Carat (unit) | Carat (purity) | Finding | Millesimal fineness | Body piercing | Fashion | Gemology | Metalworking | Wearable art | v | Silica | minerals | Crystalline | Coesite | Cristobalite | Moganite | Stishovite | Tridymite | Cryptocrystalline | Chalcedony | Chert | Flint | Jasper | Amorphous | Fulgurite | Lechatelierite | Opal | Quartzite | Tiger's eye | Chalcedony | Agate | Carnelian | Chrome chalcedony | Chrysoprase | Heliotrope | Moss agate | Lake Superior agate | Onyx | Jasper | Chert | Mozarkite | Orbicular jasper | Opal | Fiorite | Geyserite | Amethyst | Ametrine | Citrine | Milky quartz | Rose quartz | Smoky quartz | Shocked quartz | Categories | Quartz varieties | Piezoelectric materials | Dielectrics | German loanwords |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Quartz".