NWA 7831 meteorite. Green crystals diogenite

NWA 7831 meteorite. Green crystals diogenite


19,6 grams


Western Sahara, 2013


Out of stock

14 days return
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Diogenites are a rare type of meteorite that comes from Asteroid Vesta. It is in the asteroid belt, between Mars and Jupiter. It orbits the Sun with a period of 3.6 Earth years and has a diameter of 525 kilometres. A great impact occurred in the South hemisphere of Vesta less than 1 billion years ago, ejecting rocks from the asteroid into space. Eventually some of these rocks fell on Earth. Due to the lack of chondrules in this type of meteorites, they are called achondrites in contraposition to chondrites.

NWA 7831 is classified as an achondrite, diogenite. It was discovered in Western Sahara in March 2013. It is one of the diogenites with a larger total known weight, being small fragments of a few grams the most common size. In this lot a complete specimen is offered. Crystals can be seen breaking out the surface of the piece with a golden color. These were the only rocks for miles around in a desert area so they used to be easily found by locals.

Certificate of authenticity included. IMCA 5591.

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