λευκόχρυσος
From LSJ
οἷς πρόθεσίς ἐστιν ἀδικεῖν, παρ' αὐτοῖς οὐδὲ δικαία ἀπολογία ἰσχύει → not even a just excuse means anything to those bent on injustice | the tyrant will always find a pretext for his tyranny | any excuse will serve a tyrant
English (LSJ)
ἡ, a gem
A of pale gold colour, Plin.HN37.128, 171: as Adj., Lyd.Mag.3.70.
German (Pape)
[Seite 35] weiß u. goldfarbig gemischt, λίθοι, Plin. H. N. 37, 9.