A quick test to determine what is in a sample of a meteorite (or anything else, for that matter) is to run that sample through a mass spectrometer. Mass spectrometry (MS) will tell you whether nickel is among the constituent elements in that sample you just put through the machine. Use the links below to learn more.
Nickel is reactive enough with oxygen that native nickel is rare on Earth's surface, being mostly confined to the interiors of larger nickel-iron meteorites that were protected from oxidation during their time in space.
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Although we can not see them, we know from certain meteorites (Nickel/Iron meteorites) and from the density measurements of the rocks we see at the Earth's surface compared to the mass of the whole planet that the two most abundant elements in the Earth's core must be Iron and Nickel. Iron being the predominant of the two.
The borax bead test is an inorganic qualitative method of determination for some metals as copper, iron, manganese, chromium, nickel, cobalt. Please see the link bellow.
If it is a US nickel, it is 25% nickel, 75% copper. If it is a Canadian nickel I believe it is 100% nickel.
"Iron meteorites" or simply "irons".
iron and nickel
It depends on the type of meteorite. Stony meteorites are composed primarily of Iron and Magnesium silicates. Stony-Iron meteorites are composed primarily of silicates and Iron and Nickel metals. Iron Meteorites are composed primarily of Iron and Nickel metal and Iron sulphide.
Usually iron and nickel, but they can have other components.
Iron and Nickel
There are 3 main classifications of meteorites; Stony-iron meteorites, Iron meteorites and Stony meteorites. Stony-iron meteorites are mainly composed of meteoric iron which can be also found in Iron meteorites, Iron meteorites commonly contains iron nickel alloy and the Stony meteorites are the meteorites consists of silicate.
Meteorites fall into two classes, stony and iron. There is a belt of meteoric material near Mars, from which many of our meteorites come. Perhaps the debris from a broken planet? The iron meteorites, in fact iron-nickel mixtures, are magnetic. the stony meteorites are not. Have a look for Bode's Law in a reference source.
Mars, Earth and Venus very probably have substantial deposits of nickel, and nickel is common among meteorites. So it is also likely that iron and nickel will be fairly common in the asteroid belt.
Iron and nickel are generally the most abundant metals.
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No. Nickel-iron meteorites are perhaps the most common of all those recovered.
There are three basic categories of meteorites. The easiest ones to recognize were the iron or nickel-iron meteorites; most of the others look pretty much like rocks, but before people knew how to smelt iron, nickel-iron meteorites really stood out. Another type is the stony meteorites, subdivided into chondrites and achondrites... as you might guess from the name, they're made of rock. The chondrites contain small round particles called chondrules, the achondrites don't. Finally, there are the stony-iron meteorites, which are partly rock and partly metal.