Pallasite (Fukang Meteorite

Space Rock Mystery: Where Did the Fukang Meteorite Come From?

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The Fukang Meteorite is the name given to a meteorite that was discovered in China. The Fukang Meteorite belongs to a class of stony-iron meteorite known as Pallasite, which may be recognized by the fragments of olivine crystals embedded in an iron-nickel matrix. According to one source, the slices of such a meteorite, when illuminated from the back, are “reminiscent of stained glass windows crafted in the ancient solar system.”

Discovery of the Fukang Meteorite

The Fukang Meteorite was discovered near the town of Fukang in Xinjiang, an autonomous region in the northwestern part of China. The meteorite was discovered in 2000 by an anonymous hiker. This hiker is said to have often stopped on a giant rock to have his lunch. He had been curious as to the type of rock, which seemed metallic and had crystals in it, that he had been resting on all this while. Therefore, in 2000, the man decided to break some pieces of the rock off, and had them send to the United States, where it was confirmed that the sample he had sent was from a meteorite.

Fukang meteorite, pallasite. Cut & polished slice of the Fukang meteorite.

Fukang meteorite, pallasite. Cut & polished slice of the Fukang meteorite. (CC BY 2.0 )

In February 2005, this specimen made an appearance at the Tucson Gem and Mineral Show, where it was seen by D. S. Lauretta, a Professor of Planetary Science and Cosmochemistry at the University of Arizona (and also the principal investigator of NASA’s OSIRIS-REx mission). Subsequently, the rest of the Fukang Meteorite (which has a mass of 983 kg (2167 lbs.), excluding the 20kg (44lbs) removed by the anonymous hiker) was studied by the University of Arizona.

Fukang meteorite slice, pallasite. Exhibit at the Center for Meteorite Studies, Arizona State University, Tempe, Arizona, USA.

Fukang meteorite slice, pallasite. Exhibit at the Center for Meteorite Studies, Arizona State University, Tempe, Arizona, USA. ( Public Domain )

The Fukang Meteorite was found to be of a type of stony-iron meteorite known as Pallasite. Stony-iron meteorites are meteorites that are made up of meteoric iron and silicates in an almost equal proportion. Pallasites may be distinguished by a matrix of meteoric iron, in which silicates, mostly olivine (which is a type of yellow to yellowish-green crystal), are embedded. This type of meteorite, incidentally, is named after Simon Peter Pallas, a German doctor and naturalist who first described the Krasnojarsk Pallasite in Russia in 1772.

Unknown Origins of the Fukang Meteorite

The exact origins of the Fukang Meteorite, as well as other Pallasites are not entirely clear. Nevertheless, it has been speculated that they originated from the boundary of a melted and differentiated asteroid and its surrounding olivine mantle. The Fukang Meteorite is thought to have been formed at the birth of the solar system approximately 4.5 billion years ago, when the olivine fragments from its mantle mixed with the molten metal from its core upon impact on earth.

It has been pointed out that Pallasites are an extremely rare type of meteorite. This is due to the fact that most Pallasites do not survive their descent through the Earth’s atmosphere. It has been estimated that less than 1 % of all meteorites are Pallasites. Therefore, the Fukang Meteorite has often been hailed as one of the greatest meteorite discoveries of the 21st century.

The Fukang Meteorite’s Unrivaled Beauty

Apart from its rarity, the Fukang Meteorite, like other Pallasites, is a very beautiful object to behold. When light is shone on slices of the Fukang Meteorite, it passes through the olivine crystals, giving the meteorite a breath-taking glow.

Natural History Museum, Vienna. Part of a pallasite meteorite from Fukang

Natural History Museum, Vienna. Part of a pallasite meteorite from Fukang ( CC BY-SA 3.0 )

Due to this spectacular beauty, there has been a demand amongst collectors for slices of the Fukang Meteorite. The largest chunk of this meteorite, which weighs 419.5 kg (924.8 lbs.), is currently held by an anonymous collector / group of collectors. In 2008, an attempt was made to sell this portion of the Fukang Meteorite at an auction in Bonham’s in New York for about 2 million USD. The object, however, did not receive any bidders. Other smaller slices of the meteorite have been sold at auctions and have been distributed around the world. The University of Arizona’s Southwest Meteorite Laboratory, for example, has a total of 31 kg (68 lbs.) of the Fukang Meteorite in its deposit.

Comments

I wonder did they have proper permission from the Chinese Government to remove any of it or was just america as usual and just robbed it

Tsurugi's picture

That's a great question! I really wanted to know the answer so I dove down the rabbithole and actually read the article (I know, I'm crazy).

It says the meteor was discovered by a hiker, not america. Eventually the hiker decided to try and find out what kind of rock it was, and arranged to have samples sent to the U.S. to be identified. So it does not seem to have been "stolen by america as usual".

I guess you could say it was "stolen" from the Chinese government, since in communism there is no such thing as private property, everything is the "property of the proletariat". But this looks like the theft was perpetrated by a member of the proletariat (the hiker). He probably sent it to the U.S. because he knew they would test it properly and they would not steal it from him.

Meanwhile, I'm sure the Chinese government will survive the loss. After all, they steal tens of billions of dollars worth of industrial secrets from U.S. private citizens and businesses every year.

Just because I speak the truth doesn't make me a hater

This rock is reminiscent of the 1908 event in Siberia which leveled almost 800 square miles of a thankfully isolated region of Russia. Even the stones recovered in Russia appear to be similar to the Fukang samples. Same color and appears same inclusions. The Russian stones are known as Moldivite. I have seen and held this stone in my hands. Quite unusual and a strong energy about them. Could the Fukang meteorite be part of the Tunguska event?

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