purple of Cassius

purple of Cas·​sius
: 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

Word History


after Andreas Cassius †1673? German physician

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Dictionary Entries Near purple of Cassius

Cite this Entry

“Purple of Cassius.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/purple%20of%20Cassius. Accessed 18 Jun. 2024.

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