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silica polymorphs
Dimensions: [33 X 28 X 19 mm]
9] g Main MassDimensions: [48 X 39 X 15] mmComes with Certificate of Authenticity (COA)
0 carbonaceous chondrite — one of the most primitive meteorite types known
NWA 15404 L-melt rock 14.01 g L3 silica polymorphsNWA 15404 (L melt rock) This rare ordinary chondrite from the L group has undergone secondary melting, creating a stunning microporphyritic texture. It contains well defined olivine and pyroxene grains with traces of FeNi metal and sulfides, revealing a history of intense thermal processing on its parent body. Found near Talsint, Morocco, this meteorite shows a brownish matrix without fusion crust a striking example of natural planetary melting.
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