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Viola sororia ( / vaɪˈoʊlə səˈrɔːriə / vy-OH-lə sə-ROR-ee-ə ), [ 5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
Viola allegheniensis L.K. Henry 1953, illegitimate homonym not Roem. & Schult. 1819. Viola walteri var. appalachiensis (L.K. Henry) L.E. McKinney. Viola appalachiensis, the Appalachian blue violet, also known as Appalachian violet and Henry's violet is a Viola native to the Appalachian Mountains in the Eastern United States. [2] [3]
Slang terms for money often derive from the appearance and features of banknotes or coins, their values, historical associations or the units of currency concerned. Within a language community, some of the slang terms vary in social, ethnic, economic, and geographic strata but others have become the dominant way of referring to the currency and are regarded as mainstream, acceptable language ...
The most commonly used metal is copper in these cases. Most Etruscan jewelry is 18 karat gold but it varies - going as low as 15 karat. While pure gold is 24 karat, 18 and 15 karat gold benefit from their alloys. 18 karat gold is much more durable and harder than 24, and 15 karat is so much more durable and 'hard' than 18 karat.
The alloys used in the jewelry industry are gold-palladium-silver and gold-nickel-copper-zinc. Palladium and nickel act as primary bleaching agents for gold; zinc acts as a secondary bleaching agent to attenuate the color of copper. [citation needed] As a result, white gold alloys can be used for many different purposes. Nickel alloys are hard ...
Black Hills gold jewelry is a type of jewelry manufactured in the Black Hills of South Dakota. It was first created in the 1870s during the Black Hills Gold Rush by a French goldsmith named Henri LeBeau, who is said to have dreamed about the design after passing out from thirst and starvation. Black Hills gold jewelry depicts leaves, grape ...
The symbol designed for the British nuclear disarmament movement in 1958 is now widely known as the "peace sign". A number of peace symbols have been used many ways in various cultures and contexts. The dove and olive branch was used symbolically by early Christians and then eventually became a secular peace symbol, popularized by a Dove ...
Violet is at one end of the spectrum of visible light, between blue light, which has a longer wavelength, and ultraviolet light, which has a shorter wavelength and is not visible to humans. Violet wavelengths are between approximately 380 and 435 nanometers. Violet objects often appear dark, because human vision becomes less sensitive at ...