World Class! Great Deal! Rare Aubrite! Best Nwa 14185 Meteorite Slice! 27.2 Gms

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Seller: meteoritemadness ✉️ (7,997) 100%, Location: Alameda, California, US, Ships to: US & many other countries, Item: 195053612023 WORLD CLASS! GREAT DEAL! RARE AUBRITE! BEST NWA 14185 METEORITE SLICE! 27.2 GMS.

WORLD CLASS NWA 14185 METEORITE!!!

RARE CLASSIFICATION!!! AMAZING AUBRITE!!! 

SENSATIONAL POLISHED SLICE!!! 

TOTAL KNOWN WEIGHT: 1900 GRAMS!!!

DIMENSIONS: 65.2 MM X 68.8 X 4.1 MM

SPECIMEN WEIGHT: 27.2 GRAMS!!!

Northwest Africa 14185
Basic information Name:  Northwest Africa 14185      This is an OFFICIAL meteorite name. Abbreviation:  NWA 14185 Observed fall:  No Year found:  2021 Country:  (Northwest Africa) Mass:  1900 g
Classification   history:
Recommended:   Aubrite   
This is 1 of 75 approved meteorites classified as Aubrite.  
Comments: Approved 6 Oct 2021
Writeup Writeup from MB 110:

Northwest Africa 14185 (NWA 14185)

(Northwest Africa)

Purchased: 2021 Jul

Classification: Enstatite achondrite (Aubrite)

History: The meteorite was purchased from a dealer in Algeria.

Physical characteristics: White-grayish fragments with minor fusion crust and fine black shock melt veins exposed at the suface. Several orange-brownish stained areas sometimes with silvery metal grains are visible.

Petrography: The meteorite is a breccia predominantly composed of up to 1.5 cm sized enstatite grains with fine diopside exsolutions and several up to 5 mm sized twinned diopside grains that contain abundant enstatite exsolution lamellae. Rims of larger diopsides are often devoid of exsolutions. Opaque phases include Ti-bearing troilite, daubréelite, alabandite, brezinaite, schreibersite, and Si-bearing kamacite. The meteorite is highly shocked, i.e., enstatite shows several sets of planar fractures, diopside and enstatite shock strong undulatory extinction, and it contains abundant thin black shock melt veins and pockets. Neither forsterite nor plagioclase have been found in the two sections studied. No relict chondrules were observed.

Geochemistry: enstatite: Fs0.04±0.06Wo0.8±0.1 (Fs0.00-0.20Wo0.7-0.9, n=27); diopside exsolution lamellae: Fs0.00Wo44.5-45.9, n=3); diopside: Fs0.01±0.03Wo45.4±0.2 (Fs0.00-0.10Wo44.9-45.9, n=12); enstatite exsolution lamellae: Fs0.03±0.05Wo1.5±0.7 (Fs0.00-0.10Wo0.6-2.4, n=10); diopside exsolution-free rim: Fs0.02±0.04Wo48.1±0.1 (Fs0.00-0.10Wo47.9-48.3, n=5); troilite (Ti = 2.7 wt.%); kamacite (Si = 1.1 wt.%)

Data from:   MB110   Table 0   Line 0:
Place of purchase: Algeria
Date: P 2021 Jul
Mass (g): 1900
Pieces: many
Class: Aubrite
Shock stage: high
Weathering grade: moderate
Ferrosilite (mol%): 0.04; 0.01; 0.03; 0.02
Wollastonite (mol%): 0.8; 45.4; 1.5; 48.1
Classifier: A. Greshake, MNB
Type spec mass (g): 24.1
Type spec location: MNB
Main mass: Hanno Strufe and Ismaily Sidi Mohamed
Comments: Submitted by Ansgar Greshake

BUYER TO PAY $6 FIRST CLASS SHIPPING WITH TRACKING ANYWHERE IN THE U.S. OR BUYER TO PAY $17 FIRST CLASS SHIPPING TO ANYWHERE ELSE IN THE WORLD. INSURANCE IS AT THE COST OF THE BUYER AND IS HIGHLY RECOMMENDED.

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