By etching calcium fluoride cleavages in the laboratory, etch patterns resembling the natural trigon patterns observed on octahedral faces of diamond have been produced. It is suggested that the trigons observed on the natural octahedral faces of diamond may have been due to etch.
No takes yet. Share an insight, caveat, or question.
Patel et al. (1964) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: