artificial quartz crystals

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• Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category …   Wikipedia

• искусственные кристаллы кварца — Ндп. синтетические кристаллы кварца Кристаллическая модификация кремнезема, по структуре соответствующая кварцу, выращенному искусственным путем. [ГОСТ 16548 80] Недопустимые, нерекомендуемые синтетические кристаллы кварца Тематики оптика,… …   Справочник технического переводчика

• Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …   Wikipedia

• Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …   Wikipedia

• List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …   Wikipedia

• silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… …   Universalium

• rutile — /rooh teel, tuyl/, n. a common mineral, titanium dioxide, TiO2, usually reddish brown in color with a brilliant metallic or adamantine luster, occurring in crystals: used to coat welding rods. [1795 1805; < F < G Rutil < L rutilus RED1] * * *… …   Universalium

• Geode — For other uses, see Geode (disambiguation). Geode, halved and polished …   Wikipedia

• Sand — For other uses, see Sand (disambiguation). Close up of sand from the Gobi Desert, Mongolia, showing a surface area of 1 square centimetres …   Wikipedia

• Crystal skull — This article is about The Crystal Skulls. For other uses, see Crystal skull (disambiguation). The crystal skull at the British Museum (ID Am1898C3.1 ), similar in dimensions to t …   Wikipedia

• Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …   Wikipedia