History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c29.s1.2
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c29.s1.2
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c29.s1.2
The one with eight angles and eight faces and six corners, very brilliant, with the play of rainbow colours (indicating high refraction and dispersion), is known as the male diamond; whereas the female diamond is flattened and rounded; whilst the neuter is rounded, obtuse-angled and slightly heavy. 27-28