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Martian Meteorites | Lunar Rocks | HED Group | PAC Group | Carbonaceous Chondrites | Rare Chondrites Last Updated: 7 May 2018

R Group

This group was formerly known as the Carlisle Lakes group, for a meteorite that was found in Australia in 1977. It is now named for the type specimen Rumuruti that fell in Kenya, Africa, in 1934. Rumuruti is the only witnessed fall of this group and just one small individual has been preserved in the collection of the Humboldt Museum Berlin, Germany, since 1938. It was thought to be an anomalous chondrite until it was reclassified in 1993 and the R group was formed. There are just 25 R chondrites known if we exclude all probable pairings.

Most R chondrites belong to petrologic type 3 or are heavily brecciated members that show different lithologies from petrologic type 3 to 6. There are only a few R chondrites of higher petrologic types that are not brecciated, e.g. our find Ouzina, an R4 from Morocco. The R chondrites are quite different from ordinary chondrites and they are the opposite of the E chondrites when it comes to mineralogy and their state of oxidation. The members of this group are highly oxidized, containing high amounts of iron-rich olivine.

 

Ouzina 

Unbrecciated R4

Found in April 1999 in Morocco

  TKW :642 gr

 

Ouzina -00

crusted slice with blue chondrule

3.92gr

$800

Ouzina -01

interior slice

3.52gr

$550

Ouzina -02

crusted slice

3.31gr

$600

Ouzina -03

multi sliced block

0.968gr

$140

Ouzina -04

thin crusted slice

2.33gr

SOLD

Ouzina -05

thin slice with blue chondrules

1.948gr

$350

Ouzina -06

thin slice with blue chondrules

1.84gr

$325

Ouzina -07

crusted end cut

1.20gr

$250

 

 

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