Search results
Results from the WOW.Com Content Network
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. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor.
The color pine green is a representation of the average color of the leaves of the trees of a coniferous forest. The color pine green was originally known as pine tree. The first recorded use of pine tree as a color name in English was in 1923. [31] The first recorded use of pine tree as a color name in English was in 1923. [32]
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 . [ 17 ]
Aquamarine crystals on muscovite. Aquamarine is a color that is a pale bright tint of spring green toned toward cyan. It represents the color of the aquamarine gemstone. Aquamarine is the birthstone for those born on January 21 to February 20 in tropical zodiac, and February 14 to March 15 in sidereal zodiac.
Paris 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, Vienna green, Emperor green or Mountain green. It is a highly toxic emerald-green crystalline powder [4] that has been used ...
Colombian emeralds. Emeralds are green and sometime green with a blueish-tint precious gemstones that are mined in various geological settings. They are minerals in the beryl group of silicates. For more than 4,000 years, emeralds have been among the most valuable of all jewels. Colombia, located in northern South America, is the country that ...
Beryl is a common mineral, and it is widely distributed in nature. It is found most commonly in granitic pegmatites, but also occurs in mica schists, such as those of the Ural Mountains, and in limestone in Colombia. [11] It is less common in ordinary granite and is only infrequently found in nepheline syenite.
The Emerald Tablet, the Smaragdine Table, or the Tabula Smaragdina[a] is a compact and cryptic Hermetic text. [1] It was a highly regarded foundational text for many Islamic and European alchemists. [2] Though attributed to the legendary Hellenistic figure Hermes Trismegistus, the text of the Emerald Tablet first appears in a number of early ...