purple of Cassius

purple of Cas·​sius | \ -ˈkash(ē)əs, -ˈkäsēəs\

Definition of purple of Cassius

: a purple pigment prepared usually by precipitation from solutions of gold chloride and stannous chloride, consisting of colloidal gold and stannic oxide, and used chiefly in coloring ceramic glazes and ruby glass and in a very delicate test for gold

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History and Etymology for purple of Cassius

after Andreas Cassius †1673? German physician

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