Microdiamond from the Behradih kimberlite pipe

Textural features of the Behradih kimberlite pipe, Mainpur kimberlite field.
A-B: Pelloidal-textured olivine macrocrystal kimberlite (plane light and crossed nicols, L=6.3 mm). C-D: Forsteritic olivine macrocryst with advanced talc-serpentine alteration in glassy groundmass with olivine microphenocrysts (plane light and crossed nicols, L=6.3 mm). E-F: Rounded pyrope inclusion in pelletal lapillum in fine-grained talc-serpentine groundmass (plane light and crossed nicols, L=1.6 mm).

 

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