It is an electrum, and magic and the observance of the hour have nothing to do with it.
"The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons"
Jacques Casanova de Seingalt
Traffic, get gain, electrum from the mine Of Lydia, and the gold of Ind!
"The Seven Plays in English Verse"
Sophocles
He poured perfume upon his head, passed an electrum necklace around his neck, and put on him sandals with heels of pearl,-sandals belonging to his own daughter!
"Salammbo"
Gustave Flaubert