NWA 7165 – 0.385g

$11

1 in stock

Description

L/LL3 chondrite

0.385g part slice
Sold in a collection box with label/certificate of authenticity


Northwest Africa 7165 (NWA 7165)

(Northwest Africa)

Purchased: 2011

Classification: Ordinary chondrite (L/LL3)

History: Purchased by Marcin Cimała in 2011 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (apparent diameter 0.2-1.8 mm) are set set within a finer grained matrix.

Geochemistry: Olivine (Fa8.9-60.8, Cr2O3 in ferroan examples = 0.06-0.13 wt.%, mean 0.10±0.03 wt.%, N = 7), orthopyroxene (Fs2.5-14.2Wo0.3-0.2, N = 3), subcalcic augite (Fs28.3Wo23.5), augite (Fs2.6Wo40.0).

Classification: Ordinary chondrite (L/LL3).

Specimens: 17.2 g including one polished thin section at PSF; main mass with Mr. M. Cimała.