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52.8g Mesosiderite Slice I NWA4747

Top Meteorite

  • $ 1,320.00


 

On Offer: 52.8 gram NWA4747 Mesosiderite Meteorite slice. 

Type: Mesosiderite

Found: 2001

Country: Morocco

Description: 52.8 gram beautiful polished NWA 4747 Mesosiderite stoney-iron meteorite complete slice. This mesosiderite displays amazing large metal blebs set in a complex metal rich matrix, giving the impression of a vast starry sky with brightly concentrated nebular areas made of metal. 

What you get: 52.8 gram beautiful polished NWA 4747 Mesosiderite stoney-iron meteorite slice as shown, and Certificate of Authenticity.

I offer a 100% no questions asked 30 day return policy.

 

SEE OFFICIAL METEORITICAL SOCIETY ENTRY BELOW

Northwest Africa 4747
Basic information Name: Northwest Africa 4747
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4747
Observed fall: No
Year found: 2001
Country: Morocco
Mass:help 1200 g
Classification
  history:
Meteoritical Bulletin:   MB 92   (2007)   Mesosiderite
Recommended:   Mesosiderite    [explanation]

This is 1 of 195 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 24 Jul 2007
Writeuphelp
Writeup from MB 92:

Northwest Africa 4747

Morocco

Find: 2001

Mesosiderite

History: Purchased in Alnif, Morocco, in 2001 by B. Fectay.

Physical characteristics: A single rounded stone of 1.2 kg with no fusion crust.

Petrography: (A. Yamaguchi, NIPR). The thin section reveals a breccia composed of silicate fragments (<1 mm) (~80 vol%) in a matrix of Fe, Ni-rich metal and minor troilite. There are a few large nodules of metallic Fe-Ni (<several mm). The silicate fragments are mainly pyroxene, plagioclase, and minor silica minerals.

Mineral compositions: (A. Yamaguchi, NIPR).Low-Ca pyroxene (Fs28.3-32.5Wo0.8-2.6; FeO/MnO = ~30) and plagioclase (An87.9-90.7).

Classification: Mesosiderite.

Type specimens: A total of 20.9 g of sample and one thin section is on deposit at NIPRFectay holds the main mass.

Data from:
  MB92
  Table 2
  Line 133:
Place of purchase: Erfoud, Morocco
Date: 2001
Mass (g): 1200
Pieces: 1
Class: Meso
Type spec mass (g): 20.9


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