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NWA 2968

 

 

NWA 2968

Found Sahara, 2005

Differenciated Achondrite, Vestan

Dunite, TKW 268g

Specimen is a 0.39g slice

 

Dunite is an igneous, plutonic rock, of ultramafic composition, with coarse-grained or phaneritic texture. The mineral assemblage is greater than 90% olivine, with minor pyroxene and chromite. Dunite is the olivine-rich end-member of the peridotite group of mantle-derived rocks. From Mars dunitic meteorites are Chassignites (Chassigny and NWA 2737). NWA 2968 is the first Dunite from Vesta or vestoid parent body.

9680元台幣

NWA 2968 Dunites纯橄无球粒灶神星陨石0.11g slice

 

純橄岩是一種火成岩,深成岩,超鎂鐵質成分,粗粒的質地。礦物組合為大於90%橄欖石,輝石,少量的鉻鐵礦。純橄岩是富含橄欖石的橄欖岩地幔岩組的成員。NWA2968人類發現第一個純橄岩從灶神星母體

6600元台幣

 



 
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