This article was originally published with the title “On Allotropic Forms of Silver” inSA Supplements Vol. 28 No. 706supp(July 1889), p. 11281doi:10.1038/scientificamerican07131889-11281supp ...

Natural diamond, seen here, has a cubic packing structure. But a much rarer form of diamond has hexagonal packing and has now ...

By M. Carey Lea 0 0 More by M. Carey Lea This article was originally published with the title “On Allotropic Forms of Silver” inSA Supplements Vol. 28 No. 711supp(August 1889), p. 11361doi:10. ...