[931] A strong proof that chrysocolla was a preparation from copper, and not cobalt. Copper owes its name to the Isle of Cyprus, in which it was found in great abundance. See Beckmann’s Hist. Inv. Vol. II. p. 480. Bohn’s Edition.
[932] The colour now known by painters as Emerald green.
[933] As a “trigarius.” See B. xxviii. c. 72, and B. xxix. c. 5. From Suetonius, c. 18, we learn that the Emperor Caligula, also, had the Circus sanded with minium and chrysocolla. Ajasson is of opinion that the chrysocolla thus employed was a kind of yellow mica or talc.
[934] “Arenosam.” He alludes, probably, to the kind previously mentioned as “aspera” or “rough chrysocolla.”
[935] For its identification, see B. xxxiv. cc. [26], [32].
[936] See B. xxxv. cc. [12], [18].
[937] Making a spurious kind of “lomentum,” possibly, a pigment mentioned in c. [57] of this Book. This passage seems to throw some light, upon the words “in lomentum,” commented upon in Note [929] above.
[938] As to durability, probably.
[939] It was the mineral, probably, in an unprepared state.
[940] Gold-glue or gold-solder.