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  2. Marian blue - Wikipedia

    en.wikipedia.org/wiki/Marian_blue

    In paintings, Mary is traditionally portrayed in blue. This tradition can trace its origin to the Byzantine Empire, from circa 500 AD, where blue was "the color of an empress". A more practical explanation for the use of this color is that in Medieval and Renaissance Europe, the blue pigment was derived from the rock lapis lazuli, a stone ...

  3. Shades of violet - Wikipedia

    en.wikipedia.org/wiki/Shades_of_violet

    The blue-dominated spectral color beyond blue is referred to as purple by many speakers in the United States, but this color is called violet by many speakers in the United Kingdom. [3] [4] In some British authoritative texts the term purple refers to any mixture of red and blue, suggesting the color term purple covers the full range between ...

  4. Porphyry (geology) - Wikipedia

    en.wikipedia.org/wiki/Porphyry_(geology)

    A waterworn cobble of porphyry. Rhyolite porphyry from Colorado; scale bar in lower left is 1 cm (0.39 in) Porphyry ( / ˈpɔːrfəri / POR-fə-ree) is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate -rich, generally aphanitic matrix or groundmass. In its non ...

  5. Tekhelet - Wikipedia

    en.wikipedia.org/wiki/Tekhelet

    The color of the hyacinth flower ranges from violet blue to a bluish purple (though the hyacinth species dominant in the eastern Mediterranean, Hyacinthus orientalis, is violet), and the word hyakinthos was used to describe both blue and purple colors. Early rabbinic sources provide indications as to the nature of the color.

  6. Han purple and Han blue - Wikipedia

    en.wikipedia.org/wiki/Han_Purple_and_Han_Blue

    Detail of a mural from an Eastern Han tomb near Luoyang, Henan showing a pair of Liubo players, containing both Han blue and Han purple pigments. Han purple and Han blue (also called Chinese purple and Chinese blue) are synthetic barium copper silicate pigments developed in China and used in ancient and imperial China from the Western Zhou period (1045–771 BC) until the end of the Han ...

  7. Born in the purple - Wikipedia

    en.wikipedia.org/wiki/Born_in_the_purple

    The Byzantine emperor Constantine VII Porphyrogenitus in a 945 carved ivory. Traditionally, born in the purple [1] (sometimes "born to the purple") was a category of members of royal families born during the reign of their parent. This notion was later loosely expanded to include all children born of prominent or high-ranking parents. [2]

  8. Flag of Greece - Wikipedia

    en.wikipedia.org/wiki/Flag_of_Greece

    The national flag of Greece, popularly referred to as the "turquoise and white one" ( Greek: Γαλανόλευκη, Galanólefki) or the "azure and white" ( Κυανόλευκη, Kyanólefki ), is officially recognised by Greece as one of its national symbols and has 5 equal horizontal stripes of blue alternating with white. There is a blue ...

  9. Double-headed eagle - Wikipedia

    en.wikipedia.org/wiki/Double-headed_eagle

    The double-headed eagle is an iconographic symbol originating in the Bronze Age. A heraldic charge, it is used with the concept of an empire. Most modern uses of the emblem are directly or indirectly associated with its use by the late Byzantine Empire, originally a dynastic emblem of the Palaiologoi.