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1 "Lenticula." Like a lentil in shape.
2 Substituting garnets for rubies, as an illustration.
3 "Minium." See Chapter 23 of this Book.
4 Lest the deception should be commonly practised. Seneca, Epist. 19, mentions one Democritus, who had discovered the art of making artificial Emeralds. See further on this subject, Beckmann, Hist. Inv. Vol. I. p. 124. Bohn's Edition.
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