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NWA 6675

 

NWA 6675

Found Sahara, 2010

Achondrite

Aubrite

Specimen is a 1.01g slice

 

From the MetSoc Database (official) :

Petrography: (V. Moggi Cecchi, G. Pratesi, S. Caporali, MSP). The thin section displays a uniform medium to coarse-grained (1 to 2 mm) inequigranular texture predominantly consisting of large enstatite and plagioclase grains embedded in a finer grained enstatite matrix. Opaque phases are mainly represented by remnant troilite, surrounded by limonite and other weathering phases.

Geochemistry: Pyroxene (En99.0Wo0.5, n=20); plagioclase (An3.2Ab91.7Or4.9, n=20).

Classification: Achondrite (aubrite). Severe weathering effects on troilite and partially for silicates.

20600元台幣



 
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