NWA 16207 - Enstatite Chondrite (EL6) - 42 g

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Francesco Moser
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Selected by Francesco Moser

Over 20 years collecting meteorites; former museum curator and experienced restorer.

Estimate  € 220 - € 250
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Description from the seller

Northwest Africa 16207 (NWA 16207)

(Northwest Africa)

Purchased: 2017 Jan

Classification: Enstatite chondrite (EL6)

History: Purchased in January 2017 by Jasper Spencer from a meteorite dealer in Morocco

Petrography: This meteorite has a recrystallised texture with no obvious relict chondrules, and pervasive weathered veins. Major minerals are enstatite, an SiO2 phase, plagioclase, troilite and metal. Most opaques heavily weathered.

Geochemistry: Mineral composition and geochemistry: All analyses by EPMA. Pyroxene: Fs0.6±0.4 En98.0±0.4 Wo1.4±0.1 (N=60). Plagioclase: Ab80.4±0.8 An15.2±0.3 Or4.3±0.6 (N=10). SiO2 phase: 98.3±0.5 wt% SiO2, 1.0±0.1% Al2O3, 0.5±0.1% FeO (N=10). Kamacite: 6.1±0.1% Ni, 0.4±0.0%Co, 1.1±0.1%Si (N=7). Troilite: 0.8±0.2 wt% Cr, 0.5±0.0 wt% Ti (N=58). Daubréelite: 35.0±0.4 wt% Cr, 17.1±0.5 wt% Fe, 2.5 ±0.4 wt% Mn (N=4)

Classification: EL6 based on mineralogy and Si content of kamacite.

Specimens: 252.717 g held at the NHM London.

This meteorite comes with its original CoA.

Northwest Africa 16207 (NWA 16207)

(Northwest Africa)

Purchased: 2017 Jan

Classification: Enstatite chondrite (EL6)

History: Purchased in January 2017 by Jasper Spencer from a meteorite dealer in Morocco

Petrography: This meteorite has a recrystallised texture with no obvious relict chondrules, and pervasive weathered veins. Major minerals are enstatite, an SiO2 phase, plagioclase, troilite and metal. Most opaques heavily weathered.

Geochemistry: Mineral composition and geochemistry: All analyses by EPMA. Pyroxene: Fs0.6±0.4 En98.0±0.4 Wo1.4±0.1 (N=60). Plagioclase: Ab80.4±0.8 An15.2±0.3 Or4.3±0.6 (N=10). SiO2 phase: 98.3±0.5 wt% SiO2, 1.0±0.1% Al2O3, 0.5±0.1% FeO (N=10). Kamacite: 6.1±0.1% Ni, 0.4±0.0%Co, 1.1±0.1%Si (N=7). Troilite: 0.8±0.2 wt% Cr, 0.5±0.0 wt% Ti (N=58). Daubréelite: 35.0±0.4 wt% Cr, 17.1±0.5 wt% Fe, 2.5 ±0.4 wt% Mn (N=4)

Classification: EL6 based on mineralogy and Si content of kamacite.

Specimens: 252.717 g held at the NHM London.

This meteorite comes with its original CoA.

Details

Type of meteorite
NWA 16207 - Enstatite Chondrite (EL6)
Weight
42 g
Origin (Region/ City)
Northwest Africa
Country of Origin
Morocco
United KingdomVerified
1
Object sold
Private

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