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  2. Porphyry (geology) - Wikipedia

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

    The term porphyry is from the Ancient Greek πορφύρα (porphyra), meaning "purple". Purple was the colour of royalty, and the Roman "imperial porphyry" was a deep purple igneous rock with large crystals of plagioclase. Some authors claimed the rock was the hardest known in antiquity. [3]

  3. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    Purple has long been associated with royalty, originally because Tyrian purple dye—made from the secretions of sea snails—was extremely expensive in antiquity. [1] Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire, and later by Roman Catholic ...

  4. Tyrian purple - Wikipedia

    en.wikipedia.org/wiki/Tyrian_purple

    Fabrics dyed in the current era from different species of sea snail. The colours in this photograph may not represent them precisely. Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye.

  5. Why are there purple streetlights on Kansas City area ... - AOL

    www.aol.com/why-purple-streetlights-kansas-city...

    The purple streetlight phenomenon isn’t unique to Missouri — it has been spotted around North America in places including Kansas, Utah, Texas, Florida and Canada. The explanation likely lies ...

  6. Violet (color) - Wikipedia

    en.wikipedia.org/wiki/Violet_(color)

    In the 18th century, purple was a color worn by royalty, aristocrats and other wealthy people. Good-quality purple fabric was too expensive for ordinary people. The first cobalt violet, the intensely red-violet cobalt arsenate, was highly toxic. Although it persisted in some paint lines into the 20th century, it was displaced by less toxic ...

  7. Shades of purple - Wikipedia

    en.wikipedia.org/wiki/Shades_of_purple

    Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...

  8. Regalia - Wikipedia

    en.wikipedia.org/wiki/Regalia

    Regalia (/ rəˈɡeɪl.i.ə / rə-GAYL-ee-ə) is the set of emblems, symbols, or paraphernalia indicative of royal status, as well as rights, prerogatives and privileges enjoyed by a sovereign, regardless of title. The word originally referred to the elaborate formal dress and accessories of a sovereign, but now it also refers to any type of ...

  9. List of plants with symbolism - Wikipedia

    en.wikipedia.org/wiki/List_of_plants_with_symbolism

    Narcissus in culture – uses of narcissus flowers by humans. Lime tree in culture – uses of the lime (linden) tree by humans. Rose symbolism – a more expansive list of symbolic meanings of the rose. Apple (symbolism) – a more expansive list of symbolic means for apples.