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R chondrite. Rumuruti meteorite, rare type.

R chondrite. Rumuruti meteorite, rare type

R chondrite. Rumuruti meteorite, rare type

Characteristics

Weight

137,8g

Discovery

Argelia, 2020

$1.500

1 in stock

14 days return
Worldwide shipping

Description

Rumuruti chondrites (also known as R chondrites) are a very rare type of chondrites. Less than 0,5% of chondrites are classified as R. There was only one observed fall of an R chondrite that left a single piece of just 67 grams.

They differ from ordinary chondrites mainly in having most of the metal in the form of sulfides, they are more oxidized and contain little metallic Iron and Nickel. They have a matrix with more dust (about 50%), a higher trace element concentration of Zinc and Selenium and a higher Oxygen-17 ratio than ordinary chondrites. Implanted solar wind is found in more than half of the R chondrites analyzed for noble gases until today.

Apparently, R chondrites come from an asteroid’s regolith (surface with loose solid materials). They are called “R” after the Rumuruti meteorite, which fell on 28th January 1934 in the Rift Valley, Kenya.

For auction a complete piece of a rumuruti meteorite. It has a charismatic big white chondrule in the middle, giving this piece a lot of personality.

It has been bought to a Saharaui dealer in 2020 and will be classified with a NWA number. Once the classification is done (it can take several months), I will inform the buyer and send the new certificate.

Certificate of authenticity included. IMCA 5591.

Shipping is combined in all my listings – if you win multiple items, only one shipping cost is paid.

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