Description
Magnifique talon, belle texture.
Top qualité !
Livrée avec certificat.
NWA 13487 Mésosidérite #2 – 6,2 g
104,40€
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
Informations complémentaires
| Poids | 6,2 g |
|---|---|
| Dimensions | 3 × 1,5 × 1 cm |
| Forme | Talon |
