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Meteoric iron, sometimes meteoritic iron, [1] is a native metal and early-universe protoplanetary-disk remnant found in meteorites and made from the elements iron and nickel, mainly in the form of the mineral phases kamacite and taenite. Meteoric iron makes up the bulk of iron meteorites but is also found in other
Nickel(II) chloride is made by dissolving nickel or its oxide in hydrochloric acid. It is usually found as the green hexahydrate, whose formula is usually written NiCl 2 ·6H 2 O. When dissolved in water, this salt forms the metal aquo complex [Ni(H 2 O) 6] 2+. Dehydration of NiCl 2 ·6H 2 O gives yellow anhydrous NiCl 2. [48]
Taenite is a mineral found naturally on Earth mostly in iron meteorites. It is an alloy of iron and nickel , with a chemical formula of Fe , Ni and nickel proportions of 20% up to 65%. The name is derived from the Greek ταινία for "band, ribbon".
Type 2 telluric iron also contains around 0.05 to 4% nickel, but typically less than 0.7% carbon. Type 2 is a malleable nickel-iron which responds well to cold working. The carbon and nickel content have a great effect on the final hardness of the cold-worked piece. Type 2 is found as small grains mixed within basalt rock. The grains are ...
“Stephen Hawking now knows the truth about how the universe was actually made. My condolences to his family,” Briscoe Cain, a member of the Texas House Freedom Caucus, wrote late on Tuesday.
Now, an international team of scientists have analyzed the first faintest galaxies (which existed in the universe’s first billion or so years) and identified certain dwarf galaxies that are ...
Kamacite is made up of a repeating unit of α-(Fe, Ni), Fe 0.9 Ni 0.1, in which both iron and nickel have the valence zero (Fe 0 and Ni 0) as they are metallic native elements commonly found in iron meteorites. Besides trace elements, it is normally considered to be made up of 90% iron and 10% nickel but can have a ratio of 95% iron and 5% nickel.
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