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Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale . [2]
The color defined as green in HTML/CSS color standard is the color called green, low green, or medium green in many of the older eight-bit computer palettes. Another name for this color is green W3C or office green.
Paris green (copper (II) acetate triarsenite or copper (II) acetoarsenite) is an arsenic -based organic pigment. As a green pigment it is also known as Mitis green, Schweinfurt green, Sattler green, emerald, or Vienna green, Emperor green or Mountain green. It is a highly toxic emerald-green crystalline powder [4] that has been used as a ...
Emerald, also called emerald green, is a tone of green that is particularly light and bright, with a faint bluish cast. The name derives from the typical appearance of the emerald gemstone. [6] The first recorded use of emerald as a color name in English was in 1598. [7]
Emerald Green. Emerald Green, also known as Paris Green, Scheele's Green, Schweinfurt green and Vienna Green, is a synthetic inorganic compound, made by a reaction of sodium arsenite with copper(II) acetate. While it makes a beautiful rich green, the color of the emerald stone, it is highly toxic, due to a main ingredient, arsenic.
Several minerals have a green color, including the emerald, which is colored green by its chromium content. During post-classical and early modern Europe, green was the color commonly associated with wealth, merchants, bankers, and the gentry, while red was reserved for the nobility.
Viridian is a bright shade of spring green, which places the color between green and teal on the color wheel, or, in paint, a tertiary blue–green color. Viridian is dark in value, has medium saturation, and is transparent .
The Emerald Tablet, the Smaragdine Table, or the Tabula Smaragdina is a compact and cryptic Hermetic text. It was a highly regarded foundational text for many Islamic and European alchemists.
The five intermediary colors (五間色 wǔjiànsè) are formed as combinations of the five elemental colors. These are: 綠 lǜ 'green': The intermediary color of the east, combination of central yellow and eastern blue; 碧 bì 'emerald blue': The intermediary color of the west, combination of eastern blue and western white
Dark green is considered to be the most beautiful, scarce, and valuable color for emeralds. An emerald of this color is considered rare and is only found in the deepest mines of Colombia. [4]