Search results
Results from the WOW.Com Content Network
Aqueous colloidal gold.. Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin(II) chloride.It has been used to impart glass with a red coloration (see cranberry glass), as well as to determine the presence of gold as a chemical test.
Theodora was the third and youngest daughter of Byzantine Emperor Constantine VIII and Helena, daughter of Alypius. [4]: 503 She was Porphyrogenita, [5]: 259 "born into the purple"; the appellation for a child born in the capital to a reigning emperor
It is one of the important images of Byzantium and Christianity. The purple of the Judas tree flower resembles the color used in the clothes of Byzantine rulers. It was a sign of wealth and power, as it was the most difficult color to be produced naturally. Except for the emperor, no one could wear the color purple. [13]
This is a partial list of awareness ribbons.The meaning behind an awareness ribbon depends on its colors and pattern. Since many advocacy groups have adopted ribbons as symbols of support or awareness, ribbons, particularly those of a single color, some colors may refer to more than one cause.
Theodora (/ ˌ θ iː ə ˈ d ɔːr ə /; Greek: Θεοδώρα; c. 490 – 28 June 548) [1] was a Byzantine empress and wife of emperor Justinian I.She was from humble origins and became empress when her husband became emperor in 527.
During the Byzantine period, craftsmen expanded the materials that could be turned into tesserae, beginning to include gold leaf and precious stones, and perfected their construction. Before the tesserae could be laid, a careful foundation was prepared with multiple layers, the last of which was a fine mix of crushed lime and brick powder.
In heraldry, a roundel of a gold colour is referred to as a bezant, in reference to the coin.Like many heraldic charges, the bezant originated during the crusading era, when Western European knights first came into contact with Byzantine gold coins, and were perhaps struck with their fine quality and purity.
In 1996, James Allan Stewart Evans suggested that the name was a reference to the color of the whale's skin. [6] Porphyra meant a deep purple color in Greek and Porphyrios might have had dark-wine colored skin. [7] This was further supported by John K. Papadopoulos and Deborah Ruscillo in 2002, who believed the name simply meant "purple". [8]