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corundum

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corundum
corundum (kɒˈrʌndəm) Also 8 corivindum, -vendum, coriundum, 9 corundon. [a. Tamil kurundam, in Telugu kuruvindam, Hindī kurunḍ; Skr. kuruvinda ‘ruby’. Cf. also corindon.] 1. A crystallized mineral belonging to the same species as the sapphire and ruby, but opaque or merely translucent, and varying i... Oxford English Dictionary
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Corundum (structure)
Structure The corundum structure has the space group . The corundum-like structure with the composition A2BB'O6 is called double corundum. A list of examples are tabulated below. wikipedia.org
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corundum
corundum/kəˈrʌndəm; kə`rʌndəm/ n[U]hard crystallized mineral used chiefly in abrasives, or in powder form for polishing 刚玉; 刚石; 金刚砂. 牛津英汉双解词典
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USS Corundum
USS Corundum (IX-164), a designated an unclassified miscellaneous vessel, was the only ship of the United States Navy to be named for corundum. William O.Neill, and named Limestone (IX-158) on 7 February 1944, but renamed and redesignated Corundum (IX-164) on 23 May 1944, prior to acquisition by wikipedia.org
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Craigmont, Ontario
It was a former mining town that produced corundum from deposits in Mount Robillard, directly north of the community. In 1876, the mountain was discovered as a source for corundum. In 1900, mining operations began by the Canada Corundum Company. wikipedia.org
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corindon
corindon Min. (kəʊˈrɪndɒn) [F. corindon, corundum.] An early name of Corundum or Adamantine Spar; by some mineralogists used as a name of the species: see corundum 2.1802 W. Nicholson Jrnl. I. 151 Corindon or Adamantine Spar from Philadelphia. 1829 Nat. Philos. I. Gloss. (Useful Knowl. Soc.), Corund... Oxford English Dictionary
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Emery (rock)
It largely consists of corundum (aluminium oxide), mixed with other minerals such as the iron-bearing spinels, hercynite, and magnetite, and also rutile It is black or dark grey in colour, less dense than translucent-brown corundum with a specific gravity of between 3.5 and 3.8. wikipedia.org
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Please explain how to shape & polish corundum - jooltool
I'll be grinding this corundum piece of rock I don't know exactly if it's Ruby if it's sapphire but as I'm gonna grind I'll see what color it comes up little scratches and just want to touch up the stone to bring back its brilliance the cerium is a great way to do that and here we go now you'll see the corundum
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Geuda
Geuda (, pronounced gay-yoo-dah) is a form of the mineral corundum, or sapphire, found primarily in Sri Lanka. References Corundum gemstones Sinhala words and phrases wikipedia.org
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CN101407425A - Corundum spinelle kilneye fire resistant pouring ...
The invention discloses a corundum spinel kilneye castable refractory, which comprises 70-72 wt percent of corundum, 2-3 wt percent of magnesite, 4-6 wt percent of pure calcium aluminate cement, 10-15 percent of spinel, 8-10 percent of alpha-Al2O3 micro powder. The corundum spinel kilneye castable refractory has the advantages of good abrasive resistance, good thermal shock stability, good ...
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Margarite
It occurs commonly as an alteration product of corundum, andalusite and other aluminous minerals. Margarite is found in the emery deposits of Turkey and the Aegean islands, and with corundum at several localities in the United States. wikipedia.org
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Fused Zirconia Corundum Refractory Products for Glass Furnaces
国家建筑材料工业局, Fused Zirconia Corundum Refractory Products for Glass Furnaces JC 493-1991 Cast zirconium corundum refractory products for glass melting furnaces Others: Fused Zirconia Corundum Refractory Products for Glass Furnaces .
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4pcs Natural Red Corundum Ruby Crystal Rough Specimen Glow Under ... - eBay
*Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment.
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Method for preparing manganese doped corundum type pink coloring ...
This invention discloses a method for preparing manganese-doped corundum-type pink pigment. The method utilizes aluminum nitrate, aluminum hydroxide, manganese nitrate and manganese carbonate as the raw materials, and adopts spray-pyrolysis combined with calcination to obtain manganese-doped corundum-type pink pigment with certain particle sizes and uniform morphologies.
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采用edx8800 Max垂直荧光光谱仪快速检测钒土含量, 棕刚玉和白刚玉 - 朗瑞设备
Sep 25, 2023耐火材料是一类在高温下使用的工业原材料, 化学腐蚀等恶劣工作环境, widely used in steel, non-ferrous metals, 玻璃, 水泥, 陶瓷, 石化 ...
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