NWA15243 LL3 球粒陨石 - 5.2 g

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由Francesco Moser精选

(NORTHWEST AFRICA 15243) NWA15243 LL3 Chondrite Meteorite. Found in February 2022 in Mali. 5.20 Grams End-Cut. GUARANTEED AUTHENTICITY: You are buying a 100% guaranteed authentic meteorite combined with a signed certificate of authenticity. Free worldwide shipping. OFFICIAL CLASSIFICATION DATA SOURCE: Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed unequilibrated chondrules (apparent diameter 1240 ± 550 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing altered kamacite, augite, chromite and troilite. Geochemistry: Olivine (Fa17.3±8.9, range Fa2.0-34.4, N = 16; Cr2O3 in ferroan olivine 0.03-0.22 wt.%, mean 0.11 wt.%, sd 0.07 wt.%, N = 23), low-Ca pyroxene (Fs20.4±10.8Wo1.7±0.9, range Fs8.3-31.0Wo1.0-3.4, N = 7), subcalcic augite (Fs7.1Wo32.3; Fs19.5Wo20.0; N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.30. Classification: Ordinary chondrite (LL3).

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NWA15243 LL3 球粒陨石 - 5.2 g

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(NORTHWEST AFRICA 15243)
NWA15243
LL3 Chondrite Meteorite.
Found in February 2022 in Mali.

5.20 Grams End-Cut.

GUARANTEED AUTHENTICITY:
You are buying a 100% guaranteed authentic meteorite combined with a signed certificate of authenticity.

Free worldwide shipping.

OFFICIAL CLASSIFICATION DATA SOURCE:

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed unequilibrated chondrules (apparent diameter 1240 ± 550 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing altered kamacite, augite, chromite and troilite.

Geochemistry: Olivine (Fa17.3±8.9, range Fa2.0-34.4, N = 16; Cr2O3 in ferroan olivine 0.03-0.22 wt.%, mean 0.11 wt.%, sd 0.07 wt.%, N = 23), low-Ca pyroxene (Fs20.4±10.8Wo1.7±0.9, range Fs8.3-31.0Wo1.0-3.4, N = 7), subcalcic augite (Fs7.1Wo32.3; Fs19.5Wo20.0; N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.30.

Classification: Ordinary chondrite (LL3).