Nr. 88600577

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Sebkha el melah 001, Aubrite meteorit. Forbehold ikke prisen. - 2.36 g - (1)
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Sebkha el melah 001, Aubrite meteorit. Forbehold ikke prisen. - 2.36 g - (1)

Name: Sebkha el Melah 001 (SeM 001) 21.63885, -1.82974 Classification: Enstatite achondrite (Aubrite) History: This meteorite was found in late March 2022 in the region of "Wad Alhath" in Mali, about 54 km northeast of the village of Tamanieret and 245 km southeast of Taoudenni, by Sahrawi meteorite hunters. The total recovered amount was approximately 17 kg. Bachir Salek obtained 12.5 kg, including the main mass, which weighs 3550 g. Physical characteristics: This meteorite consists primarily of clusters of coarse, interlocking enstatite crystals with a pegmatitic texture. Individual crystals are cm-sized, many showing distinct cleavage planes and traces. Some enstatite crystals are milky-white in color, while a few are colorless translucent to transparent and gemmy. The enstatite crystals separate from the clusters easily, and the largest single crystal weighed 45 grams and was approximately 5 cm long and 2 cm wide. There are also scattered dark-colored patches on some of the crystals. Significant amounts of smooth cream-colored to white fusion crust are visible, although some fusion crust is dark-colored. No vesicles are present. The meteorite appears to be unbrecciated. Petrography: (A. Ross and C. Agee, UNM) Electron microprobe analyses and reflected light microscopy show that enstatite makes up approximately 98% of this meteorite. Scattered small diopside grains were detected. A single olivine grain was found in the sample microprobe mount. Small grains of kamacite, taenite, schreibersite, Ti-troilite, troilite, and daubreelite were the only accessory opaques observed. No other sulfides were detected. No feldspar was found in the microprobe mount. Classification: Aubrite, non-brecciated (after Keil, 1989). This aubrite has one of the highest modal abundances of enstatite ever reported (~98%). The enstatite, diopside, and forsterite of this meteorite have some of lowest iron contents (below electron microprobe major element detection limits) ever documented in an aubrite. Classification: Aubrite. Shock stage: low. Weathering grade: low. Classifier: C. Agee, UNM. This spectacular material has no reserve price and comes with its certificate of authenticity.

Nr. 88600577

Solgt
Sebkha el melah 001, Aubrite meteorit. Forbehold ikke prisen. - 2.36 g - (1)

Sebkha el melah 001, Aubrite meteorit. Forbehold ikke prisen. - 2.36 g - (1)

Name: Sebkha el Melah 001 (SeM 001) 21.63885, -1.82974

Classification: Enstatite achondrite (Aubrite)

History: This meteorite was found in late March 2022 in the region of "Wad Alhath" in Mali, about 54 km northeast of the village of Tamanieret and 245 km southeast of Taoudenni, by Sahrawi meteorite hunters. The total recovered amount was approximately 17 kg. Bachir Salek obtained 12.5 kg, including the main mass, which weighs 3550 g.

Physical characteristics: This meteorite consists primarily of clusters of coarse, interlocking enstatite crystals with a pegmatitic texture. Individual crystals are cm-sized, many showing distinct cleavage planes and traces. Some enstatite crystals are milky-white in color, while a few are colorless translucent to transparent and gemmy. The enstatite crystals separate from the clusters easily, and the largest single crystal weighed 45 grams and was approximately 5 cm long and 2 cm wide. There are also scattered dark-colored patches on some of the crystals. Significant amounts of smooth cream-colored to white fusion crust are visible, although some fusion crust is dark-colored. No vesicles are present. The meteorite appears to be unbrecciated.

Petrography: (A. Ross and C. Agee, UNM) Electron microprobe analyses and reflected light microscopy show that enstatite makes up approximately 98% of this meteorite. Scattered small diopside grains were detected. A single olivine grain was found in the sample microprobe mount. Small grains of kamacite, taenite, schreibersite, Ti-troilite, troilite, and daubreelite were the only accessory opaques observed. No other sulfides were detected. No feldspar was found in the microprobe mount.

Classification: Aubrite, non-brecciated (after Keil, 1989). This aubrite has one of the highest modal abundances of enstatite ever reported (~98%). The enstatite, diopside, and forsterite of this meteorite have some of lowest iron contents (below electron microprobe major element detection limits) ever documented in an aubrite.

Classification: Aubrite.
Shock stage: low.
Weathering grade: low.
Classifier: C. Agee, UNM.

This spectacular material has no reserve price and comes with its certificate of authenticity.





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