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Meteorite NWA 13857 - Achondrite Ungrouped - Subhedral-Euhedral Olivine (52%)

Name: Meteorite NWA 13857 - Achondrite Ungrouped - Subhedral-Euhedral Olivine (52%)
Brand: https://www.ebay.com/itm/item/256507475394
Price: 327.07 EUR
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€327,07 EUR

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產品子類

數量

NWA 13857

NWA 13857

Primitive Achondrite

Ungrouped

Specimen is a 8.75g endcut

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"Poikilitic texture composed of 2mm orthorhombic pyroxene oikocrysts (31%), 114µm subhedral-euhedral olivine (52%) occurring as chadacrysts and phenocrysts. Some pyroxenes are lath-shaped have rims of Ca-rich pyroxene. These phases are set within a vesicular, high-Si (~70wt% SiO2) glass containing rounded FeS and euhedral chromite"

Northwest Africa 13857

Basic information

Name: Northwest Africa 13857
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13857
Observed fall: No
Year found: 2020
Country: Algeria
Mass: 476 g

Classification
history:

Recommended:

Achondrite-ung