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12.09g Martian Meteorite NWA 1950 - Martian Lherzallitic Shergottite SNC

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  • $ 13,900.00


On Offer:  12.09 Gram Martian Lherzalitic Shergottite Meteorite Multi-faced End Piece

Type: Shergottite, Martian Meteorite
Origin: MARS
Official name: NWA 1950
Description:  This is a spectacular 12.09 gram multi-faced end piece of the original lherzalitic martian meteorite NWA 1950. This 12.09 gram specimen displays exceptional aesthetics. At 12.09 gram this amazing multi-faced end piece of Martian Lherzalitic Shergottite meteorite is a collectors dream. It offers three cut faces displaying the lherzalitic texture, fresh black fusion crust, and desert patina! An exceptional piece of Mars.
Martian meteorites were ejected by another meteorite impacting the surface of the Red Planet and hurling material from Mars to Earth.
Northwest Africa 1950
Basic information Name: Northwest Africa 1950
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1950
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass: 812 g
Meteoritical Bulletin:   MB 88   (2004)   Martian (lherzolitic shergottite)
MetBase:   v. 7.1   (2006)   Shergottite-lherzolitic
Recommended:   Martian (shergottite)   [explanation]

This is 1 of 222 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites

Writeup from MB 88:

Northwest Africa 1950


Found 2001 January and March

Martian meteorite (lherzolitic shergottite)

Two stones (414 and 383 g) were found in the Atlas mountains (Morocco) in 2001 January and March. The exact location of find is unknown. The meteorite is a cumulate peridotitic rock consisting of olivine (~55 vol%), low and high-Ca pyroxenes (~35 vol%) and plagioclase glass (~8 vol%). Accessory minerals include phosphates (merrillite), chromite and spinels (inclusions in olivines and pyroxenes), sulfides (pyrrhotite), and a glass rich in potassium.The igneous texture is very similar to that of the ALHA77005. Classification and mineralogy (P. Gillet, ENSL,  J.A. Barrat, UAng, M. Bohn, Ifremer): pyroxenes are pigeonite, En78Fs19Wo2-En60Fs26Wo14, and augite, En53Fs16Wo31-En45Fs14Wo41; maskelynite ranges from An57Ab41Or1 to An40Ab57Or3. The key element weight-ratios FeO*/MnO is close to 30 for pigeonite and close to 50 for olivines. Geochemistry: REE pattern similar to that of ALHA77005 but with higher values. Specimens: type specimen, 20 g, ENSL; main mass, Fectay.

Data from:
  Table 4
  Line 106:
Origin or pseudonym: Jules Verne
Date: Jan, Mar 2001
Mass (g): 812
Pieces: 2
Class: Martian
Classifier: Ph. Gillet, ENSL, J.-A. Barrat, UAng and M. Bohn (Ifremer)
Type spec mass (g): 20
Type spec location: ENSL

 ID: NWA195020_12.09_01

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