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Hawthorneite Image

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 Hawthorneite

Large Hawthorneite Image

Mineral: Hawthorneite: Ba[Ti3Cr4Fe4Mg]O19
Comments: Replacement-textured magnesian chromian spinel (dark gray, CHR) infiltrated by hawthorneite (H, medium gray). B&W polished section, PPL with oil immersion. (AmMin, v74:668).
Location: Metasomatized, harzburgitic xenolith from a diamondiferous kimberlite pipe in Kimberley, South Africa.
Scale: See Image.
Copyright: © American Mineralogist
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