Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra...

Look up quartz in Wiktionary, the free dictionary. Quartz is a common mineral. Quartz may also refer to: Quartz, California, former settlement in Butte...

Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator...

The quartz crisis (Swiss) or quartz revolution (America, Japan and other countries) was the upheaval in the watchmaking industry caused by the advent...

comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar, because they are the most resistant minerals to the weathering...

Citrine is a transparent, yellow variety of quartz. Its name is derived from the Latin word citrus (citron tree), by way of the French citrin or citron...

The room-temperature form of quartz, α-quartz, undergoes a reversible change in crystal structure at 573 °C to form β-quartz. This phenomenon is called...

Quartz is an American English language news website owned by Redbrick, a Canadian software firm. Focused on international business news, it was founded...

"Quartz" prefix include these: Quartz Extreme QuartzGL (originally Quartz 2D Extreme) QuartzCore Quartz Display Services Quartz Event Services Quartz 2D...

Quartz Compositor is the display server (and at the same time the compositing window manager) in macOS. It is responsible for presenting and maintaining...

Quartz monzogabbro is an intrusive rock intermediate between quartz gabbro and quartz monzonite. Under the QAPF classification, it is an intrusive rock...

Amethyst is a violet variety of quartz. The name comes from the Koine Greek αμέθυστος amethystos from α- a-, "not" and μεθύσκω (Ancient Greek) methysko...

watches. In the 1960s the electronic quartz watch was invented, powered by a battery and keeping time with a vibrating quartz crystal. By the 1980s it had taken...

Smoky quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray...

element. The oscillator frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits...

of silicon with the chemical formula SiO2, commonly found in nature as quartz. In many parts of the world, silica is the major constituent of sand. Silica...

Quartz monzonite is an intrusive, felsic, igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars. It is typically...

Rolling Quartz (Korean: 롤링쿼츠) is a South Korean rock band that debuted in December 2020 under Rolling Star Entertainment. Rolling Quartz formed as a five...

The quartz thermometer is a high-precision, high accuracy temperature sensor. It measures temperature by measuring the frequency of a quartz crystal oscillator...

Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO2) in amorphous (non-crystalline) form. This...

a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content...

Quartz 2D is the native two-dimensional graphics rendering API for macOS and iOS platforms, part of the Core Graphics framework. Quartz 2D is available...

frequency. This object can be a pendulum, a balance wheel, a tuning fork, a quartz crystal, or the vibration of electrons in atoms as they emit microwaves...

Rose quartz is a type of quartz which exhibits a pale pink to rose red hue. Rose Quartz may also refer to: Rose quartz (color), a gray shade of magenta...

Seiko SKA531P1 Kinetic, using a 5M62 caliber Kinetic movement Automatic quartz is a collective term describing watch movements that combine a self-winding...

Quartz gabbro is an intrusive rock with a composition intermediate between gabbro and tonalite. It is defined in the QAPF classification as coarse-grained...

City of Quartz: Excavating the Future in Los Angeles is a 1990 book by Mike Davis examining how contemporary Los Angeles has been shaped by different powerful...

Quartz Hill is a census-designated place (CDP) in Los Angeles County, California, United States. The population was 10,912 at the 2010 census, up from...

Rutilated quartz (also known as Venus' Hair Stone) is a variety of quartz which contains acicular (needle-like) inclusions of rutile. It is used for gemstones...

Kintarō Hattori in Tokyo, Seiko introduced the world's first commercial quartz wristwatch in 1969. Seiko is widely known for its wristwatches. Seiko and...