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 0.29g full slice of my new NWA 7306 CO3 meteorite that was purchased out of Zagora, Morocco in March 2011, as a lot of 3 stones totaling 54.68g. I held onto this meteorite for over a year as I was busy with other projects and this little gem just sort of slipped off to the back burner. Well, I resuscitated this project and had it cut by Montana Meteorite Laboratory with a sample going to Dr Tony Irving for analysis toward classification. He reports the meteorite is a fresh CO3 carbonaceous chondrite with unusually abundant matrix composed of tiny chondrules (some with dust rims) and sparse mineral fragments (olivine, orthopyroxene) are set in an abundant, black, very fine grained matrix composed of unresolvable mafic silicates, abundant troilite (some in polycrystalline clusters) and taenite. Olivine (in chondrules Fa3.4-4.3; angular grain Fa32.1), orthopyroxene (in chondrules Fs1.8-3.0Wo1.4-0.9; angular grain Fs7.7Wo3.7). By far, this is one of the most interesting CO3s I have seen.

0.29g full slice of my new NWA 7306 CO3 meteorite that was purchased out of Zagora, Morocco in March 2011, as a lot of 3 stones totaling 54.68g. I held onto this meteorite for over a year as I was busy with other projects and this little gem just sort of slipped off to the back burner. Well, I resuscitated this project and had it cut by Montana Meteorite Laboratory with a sample going to Dr Tony Irving for analysis toward classification. He reports the meteorite is a fresh CO3 carbonaceous chondrite with unusually abundant matrix composed of tiny chondrules (some with dust rims) and sparse mineral fragments (olivine, orthopyroxene) are set in an abundant, black, very fine grained matrix composed of unresolvable mafic silicates, abundant troilite (some in polycrystalline clusters) and taenite. Olivine (in chondrules Fa3.4-4.3; angular grain Fa32.1), orthopyroxene (in chondrules Fs1.8-3.0Wo1.4-0.9; angular grain Fs7.7Wo3.7). By far, this is one of the most interesting CO3s I have seen.

5400元台幣

                                                                                                                      NWA 7306

Carbonaceous Chondrite CO3 (S2/W0-1)

Find 03/2011

in Sahara, Northwest-Africa

TKW: 54.68g only !!!!

Small - very thin Full Slice

weight: 0.29g

size: 24 x 12 x 0.5 mm

5400元台幣



 
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