NWA 13487 Mésosidérite #2 – 6,2 g

87,00

NWA 13487 est une très belle météorite de type mésosidérite assez fraîche de seulement 58 grammes.

Writeup from MB 109:

Northwest Africa 13487 (NWA 13487)

(Northwest Africa)

Purchased: 2019 Jun

Classification: Mesosiderite

History: Bought in Ensisheim in June 2019 from Norddine Azelmat.

Physical characteristics: A dark brown irregular stone.

Petrography: (J. Gattacceca, CEREGE) Brecciated rock with a silicate fraction composed of plagioclase and low-Ca pyroxene (typical size 200 m), and less abundant Ca-pyroxene. Abundant contorted multi-mm sized metal grains (~30 vol%). Other minerals: troilite, merrillite, SiO2.

Geochemistry: Pyroxene Fs31.3±0.1Wo2.2±0.1, FeO/MnO = 24.1 (n=2). Plagioclase An91.6Ab8.2Or0.3 (n=2).

Classification: Mesosiderite.

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

 

Rupture de stock

Catégorie : SKU: dt-007-1-1-1-1-1

Description

Magnifique talon, belle texture.
Top qualité !
Livrée avec certificat.

Informations complémentaires

Poids 6.2 g
Dimensions 3 × 1.5 × 1 cm
Forme

Talon