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16.08g Type 3 Chondrite LL3.7 I NWA 6138

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  • $ 425.00



On Offer: 16.08g of NWA 6138, LL3.7 chondrite meteorite.

Official Name:  Northwest Africa 6138

Abbreviation: NWA 6138

Type: LL3.7

Year found: 2002

Country: Northwest Africa

Low TKW: 79.3g

Description: This is an exceptional 16.08g specimen of NWA 6138, a very low metal (LL) type 3 (3.7) ordinary chondrite. There was only 79.3 grams of this meteorite classified, and this piece represents ~20% of the known mass of the NWA 6138 meteorite. This is a nearly complete individual with a small window cut  on one side exposing the interior. The window shows an unusually large chondrule taking up a large part of the window, set against many much smaller well delineated chondrules. The overall macro texture and color of this LL chondrite is very similar to many CR chondrites I have encountered. I suspect this is due to a post accretion oxidation / hydration event (*no aqueous alteration reported), either on its parent body, or after it landed on Earth.

What you get: 16.08g of NWA 6138 as shown, Membrane Storage/Display Box, & signed Certificate of Authenticity.

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


Northwest Africa 6138
Basic information Name: Northwest Africa 6138
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6138
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 79.3 g
Meteoritical Bulletin:   MB 99   (2011)   LL3.7
Recommended:   LL3.7    [explanation]

This is 1 of 29 approved meteorites classified as LL3.7.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 2 May 2011
Data from:
  Table 0
  Line 0:
Place of purchase: Los Angeles
Date: P April 2002
Mass (g): 79.31
Pieces: 8
Class: LL3.7
Shock stage: S1
Weathering grade: W4
Fayalite (mol%): 29.1±1.6 (n=8)
Classifier: Alan Rubin UCLA
Type spec mass (g): 16.08
Type spec location: UCLA
Main mass: Sean Tutorow
Comments: Very large chondrules. Discernable recrystallized matrix. Abundant low-Ca cpx with polysynthetic twins. No glass in chondrules.; submitted by S. Tutorow
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)

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