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The amethyst-throated mountaingem's song is "a quiet chatter made up of a two-syllable introductory phrase followed by a mixture of notes arranged into very complex vocalizations." It may have up to nine complex phrases, and both males and females sing. Both sexes also make a feeding call, "a persistent buzzing sound".
Amethyst is a violet variety of quartz.The name comes from the Koine Greek αμέθυστος amethystos from α - a-, "not" and μεθύσκω (Ancient Greek) methysko / μεθώ metho (Modern Greek), "intoxicate", a reference to the belief that the stone protected its owner from drunkenness. [1]
The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...
Amethyst Mountain, el. 9,609 feet (2,929 m) [1] is the highest peak and central part of a northwest – southeast trending ridge that lies between the Lamar River to ...
Ametrine, also known as trystine, golden amethyst, or by the trade name bolivianite, is a variety of quartz with alternating zones of purple and yellow-orange coloration. Its name is a portmanteau of amethyst and citrine. While ametrine is commonly referred to as a combination of these two quartz varieties, some sources claim this is not ...
Amethyst is a fictional character from the animated television series Steven Universe, created by Rebecca Sugar. She is voiced by Michaela Dietz . Based on the gemstone amethyst , she is a Gem, a fictional alien being that exists as a magical gemstone projecting a holographic body, and one of the four "Crystal Gems", a group of Gems who defend ...
ATM was developed in 1991 based on the Pentagon, a ZX Spectrum clone popular in Russia.In 1992 an upgraded model was introduced, named ATM Turbo 2. [1] Up to 1994 the computer was produced by ATM and MicroArt; later the firms separated and production ended.
Up until the 1940s, astronomers used optical telescopes to observe distant astronomical objects whose radiation reached the earth through the optical window. After that time, the development of radio telescopes gave rise to the more successful field of radio astronomy that is based on the analysis of observations made through the radio window.