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NWA 10870 - Ureilite melt rock |
NWA 10870 - Ureilite melt rock |
thin section in incident light |
thin section in crossed polarized light | back-scattered electron image |
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NWA 10870 - purchased Sainte Marie aux Mines, France, June 2016
Classification: Ureilite melt rock Shock moderate, Weathering moderate - Fa: 22.3±0.3, n=11 / Fs: 16.2±1.1, n=11 / Wo: 2.8±0.8, n=11
TKW: one piece of 3,8 kg
The rock shows a fine-grained, equigranular recrystallization texture of olivine and orthopyroxene with frequent triple junctions at adjoining mineral grains. Olivine is compositionally homogeneous while orthopyroxene show slight magmatical zoning. Although intensely recrystallized the outlines of the original minerals are still visible. Also several characteristic reduced rims are preserved at olivine-carbon contacts. The sample contains lamellar intergrowths of daubreelite and troilite. Reduced rims in olivine: Fa2.6-5.7; Cr2O3 in ol: ~0.5 wt%.
Bild | Name | Gewicht | Preis in € | > Bestellung / Anfrage |
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NWA 10870 | 9,547 g | 285.- € | > Bestellung / Anfrage |
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NWA 10870 | 8,365 g | 251.- € | > Bestellung / Anfrage |
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NWA 10870 | 7,906 g | 237.- € | > Bestellung / Anfrage |
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NWA 10870 | 6,332 g | 190.- € | > Bestellung / Anfrage |
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NWA 10870 | 6,018 g | 181.- € | > Bestellung / Anfrage |
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NWA 10870 | 6,001 g | 180.- € | > Bestellung / Anfrage |
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NWA 10870 | 5,967 g | 179.- € | > Bestellung / Anfrage |
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NWA 10870 | 5,766 g | 173.- € | > Bestellung / Anfrage |
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NWA 10870 | 5,529 g | 166.- € | > Bestellung / Anfrage |
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