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anhydrite

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1
Anhydrite | Ohio Department of Natural Resources
Anhydrite (CaSO 4 ) is a calcium sulfate mineral that is normally colorless but can be pale blue or violet if transparent or white, mauve, rose, pale brown, or gray from impurities. This mineral is one of the major minerals in evaporite deposits and is used in plasters and cement as a drying agent. ohiodnr.gov
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Anhydrite - Wikipedia
Anhydrite, or anhydrous calcium sulfate, is a mineral with the chemical formula CaSO 4. It is in the orthorhombic crystal system, with three directions of ... en.wikipedia.org
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Anhydrite: Mineral information, data and localities.
Anhydrite, formula CaSO4, is named for lacking water. It has a hardness of 3-3.5, and can be colorless, bluish, or other colors. www.mindat.org
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anhydrite
anhydrite Min. (ænˈhaɪdraɪt) [mod. f. Gr. ἄνῡδρ-ος waterless + -ite min. form.; so named by Werner.] Anhydrous gypsum, or sulphate of lime.1831 Brewster Optics xxx. 252 Augite, Anhydrite, Axinite. 1842 T. Graham Elem. Chem. ii. v. 497 Sulphate of lime occurs in a crystalline form, without water, for... Oxford English Dictionary
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Anhydrite Mineral Data - Mineralogy Database
Anhydrite's chemical formula is CaSO4, its empirical formula is Ca(SO4), and it is found in marine evaporite beds. It is also known as Calcium Sulfate. webmineral.com
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Anhydrite, synthetic - Solvay
Anhydrite is a mineral from the Calcium Sulphate family (CaSO4). Anhydrite is an anhydrous compound - it does not contain water in its crystal structure. www.solvay.com
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硬石膏 (Anhydrite) - Rock Identifier
硬石膏 (Anhydrite). 這種重要的岩石形成礦物主要存在於鹽和蒸發岩礦床中。它與石膏密切相關- 硬石膏實際上是不含水的石膏。將水加入硬石膏 ，它又變成了石膏。兩種礦物很容易在建築中使用。
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Anhydrite Mineral | Uses and Properties - Geology.com
Anhydrite is an evaporite mineral that occurs in extensive layered deposits in sedimentary basins where large volumes of sea water have been evaporated. geology.com
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Anhydrite | Sulfate Mineral, Gypsum Substitute, Sedimentary Rock
Anhydrite, an important rock-forming mineral, anhydrous calcium sulfate (CaSO 4 ). It differs chemically from gypsum (to which it alters in humid conditions) www.britannica.com
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anhydrite - The SLB Energy Glossary
A member of the evaporite group of minerals and the soft rock comprising anhydrite formed by precipitation of calcium sulfate from evaporation of seawater. glossary.slb.com
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Anhydrite R040061 - Raman, X-ray, Infrared, and Chemistry - RRuff
Anhydrite R040061 is a pale purple, fractured single crystal with ideal chemistry Ca(SO4), confirmed by X-ray diffraction and chemical analysis. rruff.info
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Category:Anhydrite - Wikimedia Commons
Media in category "Anhydrite" The following 103 files are in this category, out of 103 total.
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硬石膏，Anhydrite-文化部國家文化記憶庫
相關素材. 回前一頁. 蒸發作用所形成的鹽湖沈積物中，可形成硬石膏或石膏，甚或二者共生。. 亦見於石灰岩或玄武岩之杏仁氣孔內。. 較方解石的比重為高，較石膏的硬度為大。. ,蒸發作用所形成的鹽湖沈積物中，可形成硬石膏或石膏，甚或二者共生.
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石探紀：標本：硬石膏與方解石共生：Anhydrite
是從透明到半透明且表面具有玻璃、珍珠或者油脂光澤的礦物。. 常以蒸發岩的形式與石膏、石鹽、方解石等共生，與石英等熱液礦物共生較少見。. 和普通石膏加熱脫水後產生的「熟石膏」不同，硬石膏加水之後並不會變成普通石膏。. 硬石膏加熱後易熔化 ...
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硬石膏 | Anhydrite - YouTube
硬石膏是一种硫酸盐矿物，它的成分为无水硫酸钙，与石膏的不同之处在于它不含结晶水 ...
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