quartz wikipedia - EAS
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Quartz - Wikipedia
https://en.wikipedia.org/wiki/QuartzQuartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral
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Xem thêmThe word "quartz" is derived from the German word "Quarz", which had the same form in the first half of the 14th century in Middle High German and in East Central Germanand which came from the Polish dialect term kwardy, which
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Xem thêmQuartz belongs to the trigonal crystal system at room temperature, and to the hexagonal crystal system above 573 °C (846 K; 1,063 °F). The
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Xem thêmPure quartz, traditionally called rock crystal or clear quartz, is colorless and transparent or translucent, and has often been used for hardstone carvings, such as the Lothair Crystal
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Xem thêmQuartz is a defining constituent of granite and other felsic igneous rocks. It is very common in sedimentary rocks such as sandstone
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Xem thêmQuartz is extracted from open pit mines. Miners occasionally use explosives to expose deep pockets of quartz. More frequently, bulldozers and backhoesare used to remove soil and
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Xem thêmTridymite and cristobalite are high-temperature polymorphs of SiO2 that occur in high-silica volcanic rocks. Coesiteis a denser polymorph of SiO2 found in some meteorite impact sites and in metamorphic rocks formed at pressures greater than those typical
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Xem thêmNot all varieties of quartz are naturally occurring. Some clear quartz crystals can be treated using heat or gamma-irradiationto induce color where it would not otherwise have occurred
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi Quartz (publication) - Wikipedia
https://en.wikipedia.org/wiki/Quartz_(publication)Quartz is a business-focused, privately held English-language international news organization. It launched in New York City in 2012. It publishes in the United States and Japan, and publishes regional editions in the United Arab Emirates, Hong Kong, Africa, and India.
Wikipedia · Nội dung trong CC-BY-SA giấy phépThạch anh – Wikipedia tiếng Việt
https://vi.wikipedia.org/wiki/Thạch_anhXem thêm trên vi.wikipedia.orgThạch anh là tên gọi theo phiên âm Hán - Việt có nguồn gốc là "石英". Trong tiếng Anh nó được gọi là Quartz. Theo một trong những giả thiết, từ Quartz trong tiếng Đức xuất phát từ từ Queretz gần với từ Querkluftertztrong tiếng Sachsen - Đức, nghĩa là "vân ngang", vì khi quan sát trên bề mặt của tinh thể thạch anh người ta t…- Màu: Thủy tinh
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Quartz - Wikipedia
https://sco.wikipedia.org/wiki/QuartzQuartz is the seicont maist abundant meeneral in the Yird's continental crust, efter feldspar.It is made up o a conteenous framework o SiO 4 silicon–oxygen tetrahedra, wi lika oxygen bein shared atween twa tetrahedra, giein an oweraw formula SiO 2.. Thare mony different varieties o quartz, several o whilk is semi-precious gemstones.Ispecially in Europe an the Middle East, varieties o …
- Danh mục: Silicate mineral
- Formula (repeatin unit): SiO₂
- Dana clessification: 75.01.03.01
- Strunz clessification: 04.DA.05
Quartz (minéral) — Wikipédia
https://fr.wikipedia.org/wiki/Quartz_(minéral)- Étymologie
L’étymologie du mot quartz n’est pas évidente. La première hypothèse vient du mot « quaterz » ou « quaderz » qui jusqu’au XVIe siècledésigne les mauvais minerais. Une autre hypothèse est la contraction du mot allemand « gewärz » (excroissance, germe). Le terme quartz en l'an 3000 s’a… - Synonymes
1. alpha-quartz, quartz-alpha, quartz α (non chauffé ou chauffé à moins de 573 °C— température au-delà de laquelle l'α-quartz se transforme en β-quartz) Ami, Crotte 2. azetulite (incorrect), azeztulite (marque de commerce) 3. conite (Mac Culloch)[3] 4. dragonite[4] 5. konilite (variante …
- Classe de Dana: 75.1.3.1, Tectosilicates, 75. Réseaux quadratiques Si, 75.1.3.1 Quartz SiO₂
- Masse formulaire: 60,0843 ± 0,0009 uma, O 53,26 %, Si 46,74 %
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Quarz – Wikipedia
https://de.wikipedia.org/wiki/QuarzQuartzit – Wikipedia tiếng Việt