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NWA 13158 H3 Chondrite Meteorite Part Slice weighing 0.61g


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NWA 13158 H3 Chondrite Meteorite Part Slice weighing 0.61g


Northwest Africa 13158
Basic informationName: Northwest Africa 13158
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13158
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 118.3 g
Recommended:  H3    [explanation]

This is 1 of 627 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondritesH chondrites (type 3)Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:Approved 31 Jan 2020

Writeup from MB 109:

Northwest Africa 13158 (NWA 13158)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (H3)

History: The meteorite was purchased from a meteorite dealer in Zagora, Morocco.

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: The meteorite shows a chondritic texture with well separated rounded chondrules (apparent mean diameter about 0.4 mm). FeNi metal and sulfides and are almost completey altered to Fe-hydroxides.

Data from:
Table 0
Line 0:
Place of purchase:Zagora, Morocco
Date:P 2019
Mass (g):118.3
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):14.8±9.9 (0.3-25.4, n=22)
Ferrosilite (mol%):12.1±7.7 (1.4-24.6, n=26)
Wollastonite (mol%):0.9±0.6 (0.3-2.8, n=26)
Magnetic suscept.:4.79
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Fabien Kuntz
Comments:Submitted by Ansgar Greshake