Description
On offer: a nice 0.375g part slice.
Dimensions: ~9 x 6.5 mm
What you get: this 0.375g part slice, a plastic box, a label and signed Certificate of Authenticity.
Type: CK5 chondrite
Country: Sahara
Date of fall: 2021
Total mass: 93.35 g
Northwest Africa 14096 (NWA 14096)
(Northwest Africa)
Purchased: 2021 Apr
Classification: Carbonaceous chondrite (CK5)
Physical characteristics: Dark brown stone. Cut face reveals a dark-gray interior with large chondrules.
Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (average apparent diameter 1100±380 μm, n=18) set in an abundant recrystallized matrix. Olivine is the dominant silicate. Abundant magnetite and sulfides decorating chondrule rims.
Geochemistry: Olivine Fa33.3±0.2, NiO 0.58±0.03 wt% (n=3). Ca-pyroxene Fs8.9>o47.3. Plagioclase An87.4Ab12.3Or0.3 (n=1). Magnetite Cr2O3 content 4.35 wt%.
Classification: Carbonaceous chondrite (CK5).
Specimens: Type specimen at CEREGE. Main mass with Kuntz
