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NWA 4890   contributed by Bernd Pauli   MetBul Link

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Copyright (c) Bernd Pauli.
5.8 grams.   Provisional

TKW 76 grams. Fall not observed. Found 2006.
 


Bernd writes:
A thin, complete slice of the NWA 4890 eucrite (TKW 76 gr). Unfortunately it is still provisional but looks suspiciously like Agoult, which it may be paired with although it seems to be a bit more coarse-grained than Agoult.

This slice features a very fined-grained and a rather coarse-grained lithology. This eucrite is extremely friable - almost like sand. Under the microscope one can recognize very delicate melt veins.


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Larry Atkins
 3/4/2018 6:50:03 AM
Nice one Bernd. That's some interesting material, masquerading as an earth rock! If I found a stone like that, and it had no fusion crust, I doubt I would give it a second look.
 

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