Nr 98018114
Sprzedane
Ostateczna oferta
€ 30
12 tygodni temu
Unikalny plaster diogenitu NWA 15627 z grubokrystalicznym protogranularnym - 2.02 g - (1)
Northwest Africa 15627 (NWA 15627)
(Northwest Africa)
Purchased: July, 2022
Classification: HED achondrite (Diogenite)
History: The meteorite was purchased from a meteorite dealer in Temara, Morocco.
Physical characteristics: Three light brownish fragments lacking fusion crust.
Petrography: Coarse-grained protogranular aggregate predominantly composed of up to 4 mm sized orthopyroxene and subordinate plagioclase grains . Minor phases include silica, troilite, chromite and FeNi metal. Cavities are sometimes filled with secondary calcite.
Geochemistry: low-Ca pyroxene: Fs27.7±0.2Wo3.8±0.3 (Fs27.4-28.0Wo3.1-4.1, FeO/MnO=26-28, n=10); calcic plagioclase: An93.0±1.6 (An88.9-95.8, n=10)
Nr 98018114
Sprzedane
Unikalny plaster diogenitu NWA 15627 z grubokrystalicznym protogranularnym - 2.02 g - (1)
Northwest Africa 15627 (NWA 15627)
(Northwest Africa)
Purchased: July, 2022
Classification: HED achondrite (Diogenite)
History: The meteorite was purchased from a meteorite dealer in Temara, Morocco.
Physical characteristics: Three light brownish fragments lacking fusion crust.
Petrography: Coarse-grained protogranular aggregate predominantly composed of up to 4 mm sized orthopyroxene and subordinate plagioclase grains . Minor phases include silica, troilite, chromite and FeNi metal. Cavities are sometimes filled with secondary calcite.
Geochemistry: low-Ca pyroxene: Fs27.7±0.2Wo3.8±0.3 (Fs27.4-28.0Wo3.1-4.1, FeO/MnO=26-28, n=10); calcic plagioclase: An93.0±1.6 (An88.9-95.8, n=10)
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