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New rare UREILITE Achondrite Meteorite microscopic view of Thin Section with cross polarized filters NWA 5951 AURE (prov.) Found in the Sahara Desert in Morocco by Nomads in 2009   MAIN MASS of NWA 5951 AURE, showing distingt Olivine-Pyroxene structure on its cut surface, typical for the Ureilites   Name: NWA 5951 AURE (prov.) Location: Sahara Desert Country: MOROCCO Class: Stony Meteorite, Achondrite, Ureilite Total Known Weight: 302 g Date of Find/Purchase: 2009 Reference: Wikipedia, the free encyclopedia Ureilite is a rare type of stony meteorite that has a unique mineralogical composition very different from that of other stony meteorites. This dark grey or brownish meteorite type is named after the town Novo Urei (54° 49' N, 46° 0' E), Mordova Republic of Russia, where a meteorite of this type fell on 4 September 1886. Notable ureilites are the Novo Urei and the Goalpara, also named for the town in which it landed (Goalpara, Assam India). On 7 October 2008, tiny asteroid 2008 TC3 entered the Earth's atmosphere and exploded an estimated 37 kilometers (23 mi) above the Nubian Desert in Sudan. Fragments of this asteroid were recovered the following December and were found to be Ureilite.

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# AURE 125 NWA 5951 AURE (prov) Rare UREILITE Achondrite MAIN MASS ! Weight: 134.62 g 63.8 x 43.9 x 28.0 mm US $ 3,400.00   FREE SHIPPING !	# AURE 122 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 28.62 g 65.9 x 44.7 x 4.7 mm US $ 720.00   FREE SHIPPING !	# AURE 123.1 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 7.87 g 50.7 x 26.7 x 3.8 mm US $ 195.00	# AURE 123.2 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 6.74 g 38.3 x 20.8 x 5.0 mm US $ 165.00 RESERVED

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# AURE 123.3 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 3.77 g 29.5 x 18.9 x 4.8 mm US $ 95.00 RESERVED	# AURE 123.4 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 1.49 g 19.6 x 14.1 x 3.9 mm US $ 35.00 RESERVED	# AURE 123.5 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 0.66 g 15.2 x 8.0 x 3.2 mm US $ 35.00	# AURE 123.7 NWA 5951 AURE (prov) Rare UREILITE Achondrite Weight: 0.22 g Dimensions: refer to 1.5 x 1.5 " gem case SOLD

Composition: A technical name for ureilite would be olivine-pigeonite achondrite. Ureilites are noted for containing microscopic nano-diamonds only a few microns in diameter. Compared to most other meteorites, ureilites tend to have a high percentage of carbon (up to 2% by weight) in the form of nano-diamonds and graphite.[1] The diamonds are probably the result of high pressure shockwaves produced by collisions of the ureilite parent body with other asteroids. Ureilites can be divided into two subcategories: monomict and polymict. Monomict ureilites are coarse grained olivine with minor pyroxene traces. Polymict ureilites are a mixture of clasts of dissimilar composition.

A typical ureilite contains olivine and pyroxene (pigeonite, augite, or orthopyroxene) crystals, up to several millimeter across, embedded in a dark carbon-rich matrix of graphite and tiny diamond, low-nickel iron metal, troilite (iron sulfide), and iron carbide.

Origin: Unknown. Some groups of meteorites come from a single object (ie. Mars, Moon, 4 Vesta), but there has been no parent body found as yet for the ureilites. It is probable that their origin is a C-type asteroid. It remains unclear whether ureilites originated on different parent bodies or in different regions of a single body. They could even have originated within the Solar Nebula, which would make them the most primitive Achondrites.The presence of diamonds, which can form from graphite as a result of severe shock metamorphism, hints at a violent impact history.

One single stone of 302 g was purchased in June 2009 in Agadir, Morocco, probably found near the Algerian border in the Sahara Desert. The stone showed intact fusion crust and desert varnish. A probe of 20.09 g for a type mass and another one of 2.86g for thin sections were sent for analysis and classification to the Bathurst Observatory Research Facility, NSW . Further samples were cut from the original stone for resale. The remaining Main Mass of 228.7 g is held by Norbert Kammel of ROCKS ON FIRE, in Noble Park Nth., Victoria, Australia.

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