Figure 1 | Scientific Reports

Figure 1

From: Rare-earth metal catalysts for high-pressure synthesis of rare diamonds

Figure 1

SEM micrographs of diamond crystals synthesized in REM-C systems. (a) An octahedral crystal, La–C system; (b) a contact twin of octahedral crystals, Ce–C system; (c) a cyclic twin of octahedral crystals, Ce–C system; (d) crystal of cuboctahedral habit with additional faces, Gd–C systems; (e) cuboctahedral crystals, Dy–C system; (f) diamond grown on a seed, Ho–C system.

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