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The word prasiolite literally means "scallion green-colored stone" and is derived from Greek πράσον prason meaning "leek" and λίθος lithos meaning "stone". The mineral was given its name due to its green-colored appearance. Natural prasiolite is a very light, translucent green. Darker green quartz is generally the result of ...
Green quartz is sometimes called green amethyst; the scientific name is prasiolite. [9] Other names for green quartz are vermarine and lime citrine. Amethyst frequently shows color zoning, with the most intense color typically found at the crystal terminations. One of gem cutters' tasks is to make a finished product with even color. Sometimes ...
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
Certain natural gemstone colors, such as blue-to-green colors in diamonds [5] or red colors in zircon, [6] are the results of the exposure to natural radiation in the earth, which is usually alpha or beta particle. [5] The limited penetrating ability of these particles result in partial coloring of the gemstone's surface. [5]
Bauhin observed that when water was poured into the cup with the wood shavings, the water shortly turned into "a wonderful blue and yellow color, and when held up against the light beautifully resembled the varying color of the opal, giving forth reflections, as in that gem, of fiery yellow, bright red, glowing purple, and sea green most ...
The intense blue color is due to the presence of the trisulfur radical anion (S •− 3) in the crystal. [16] The presence of disulfur (S •− 2) and tetrasulfur (S •− 4) radicals can shift the color towards yellow or red, respectively. [17] These radical anions substitute for the chloride anions within the sodalite structure. [18] The S ...
The OED defines pyrope (from Greek Πυρωπός, lit. "fire-eyed")" as: "In early use applied vaguely to a red or fiery gem, as ruby or carbuncle; (mineralogy) the Bohemian garnet or fire-garnet"; and carbuncle or carbuncle-stone (from Latin "carbunculus", "small glowing ember") as: "A name variously applied to precious stones of a red or ...
Rhodolite is a varietal name for rose-pink to red mineral pyrope, a species in the garnet group. It was first described from Cowee Valley , Macon County , North Carolina . [ 2 ] The name is derived from the Greek "rhodon" for "rose-like", in common with other pink mineral types (such as rhodochrosite , rhodonite ).