NWA 14809 CK5 #3- 3,3 g

98,40€

NWA 14809 est une météorite carbonée de type CK5 de seulement 31 grammes.

La chute de référence est la météorite de Karoonda tombée en 1930 en Australie.

Writeup from MB 111:

Northwest Africa 14809 (NWA 14809)

Algeria

Purchased: 2021

Classification: Carbonaceous chondrite (CK5)

History: Found in Algeria. Bought by Jean Redelsperger from Mohamed Elguirah in 2021.

Physical characteristics: Dark fragments.

Petrography: (J. Gattacceca, CEREGE) Chondrule with average apparent diameter about 800 µm set in a recrystallized matrix (grain size 15 µm). Olivine is the dominant mineral. Magnetite and sulfide are abundant in the matrix and chondrules, sometimes as composite spherical grains up to 200 µm.

Geochemistry: Olivine Fa33.3±0.4, NiO 0.48±0.27 wt% (n=5). Ca-pyroxene Fs7.0Wo49.6 (n=1). Plagioclase An22.9Ab73.1Or4.0 (n=2). Magnetite Cr2O3 3.26 wt% (n=2).

Classification: Carbonaceous chondrite (CK5).

Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.

En stock

Categories: , SKU: dt-004-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-2-1-2-1-1-1-1-1-1-1-2-1-1

Description

Beau talon.

Vendue avec certificat.

Informations complémentaires

Poids 3,3 g
Dimensions 2,5 × 1,7 × 0,6 cm
Forme

Talon

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