Of very variable intensity, the color of amethyst is often laid out in stripes parallel to the final faces of the crystal.

In the 19th century, the color of amethyst was attributed to the presence of manganese.

The color amethyst is a moderate, transparent violet.

The first recorded use of amethyst as a color name in English was in 1572.

Though the color of natural amethyst varies from purple to yellow, the amethyst color referred to here is the moderate purple color most commonly associated with amethyst stones.

There is disagreement as to the cause of the purple color of the amethyst stone.

Some believe that the color is due to the presence of manganese, while others have suggested that the amethyst color could be from ferric thiocyanate or sulfur found in amethyst stones.

He has designed a matching backdrop and costumes of points of color on white for Mr. Cunningham's Summerspace, so that dancers and background merge into a shimmering unity.

Historically in America the appeal of cities has been their color and life, the variety of experience they offered.

Superstition has often blended with fact to color reports.

He cannot avoid observing that some of the children, in spite of their color, remind him of children he has known and loved, perhaps even of his own children.

`` There is not now, nor has there ever been in Emory University's charter or by-laws any requirement that students be admitted or rejected on the basis of race, color or creed.

The University of Georgia has long claimed that it does not discriminate against any applicant on the basis of race or color.

In describing the initial Allied occupation of a middle-sized German city, the picture has color, pictorial pull and genuinely moving moments.

It had been painted a dreary brown and many of its interior color schemes had been abandoned or allowed to deteriorate, but it has since been restored and many of the original colors revived.

Amber is fossilized tree resin ( not sap ), which has been appreciated for its color and natural beauty since Neolithic times.

There is also a synthetic dye that has been named " amaranth " for its similarity in color to the natural amaranth pigments known as betalains.

He predicts that this man will be able to divine the color of this particular shade of blue, despite the fact that he has never experienced it.

Assuming that the pixel color is expressed using straight ( non-premultiplied ) RGBA tuples, a pixel value of ( 0. 0, 0. 5, 0. 0, 0. 5 ) implies a pixel which has 50 % of the maximum green intensity and 50 % opacity.

"... Turquoise was chosen because the greenish-blue stone is indigenous to Arizona, copper because Arizona is one the nation's top copper-producing states and purple because it has become a favorite color for Arizona sports fans, thanks to the success of the National Basketball Association's Phoenix Suns.

There is also an assignable background color, which will be visible wherever another object has not covered it up.

The Atari Lynx has several innovative features including it being the first color handheld, with a backlit display, a switchable right-handed / left-handed ( upside down ) configuration, and the ability to network with up to 17 other units via its " ComLynx " system ( though most games would network eight or fewer players ).

Ptolemy described Arcturus as subrufa " slightly red ", and it has a B-V color index of + 1. 23, roughly midway between Pollux ( B-V + 1. 00 ) and Aldebaran ( B-V + 1. 54 ).

Its blind cave form, however, is notable for having no eyes and being albino, that is, completely devoid of pigmentation ; it has a pinkish-white color to its body.

It is a dense, mobile, slightly transparent reddish-brown liquid, that evaporates easily at standard temperature and pressures to give an orange vapor ( its color resembles nitrogen dioxide ) that has a strongly disagreeable odor resembling that of chlorine.

The breast is an apocrine gland that produces milk to feed an infant child ; for which the nipple of the breast is centred in ( surrounded by ) an areola ( nipple-areola complex, NAC ), the skin color of which varies from pink to dark brown, and has many sebaceous glands.

More recently, British artist James Mylne has been creating photo-realistic artwork using mostly black ballpoints, sometimes with minimal mixed-media color.

Nearly every human society throughout history has expected distinctions to be made between males and females by the style, color, or type of clothing they are expected to wear, and likewise most societies have had a set of social norms, views, guidelines, or even laws defining what type of clothing is appropriate for each gender.

The use of color codes has been extended to abstractions, such as the Homeland Security Advisory System color code in the United States.

Lithe and muscular, he had well-molded features, and his light color told of the European ancestors who had been intimate with the slave women of his family.

It may, however, be noted that his gift for color and imagery must have been greatly stimulated by his stay in Paris.

he had aged thirty years, and his face, the color of tallow, was crisscrossed with wrinkles, as though it had been wrapped in chicken wire.

Only when the collage had been exhaustively translated into oil, and transformed by this translation, did Cubism become an affair of positive color and flat, interlocking silhouettes whose legibility and placement created allusions to, if not the illusion of, unmistakable three-dimensional identities.

Judge Bootle's decision: `` The two plaintiffs are qualified for admission to said university and would already have been admitted had it not been for their race and color ''.

The existing reverence for Centrality must have been still further stimulated toward the close of the second century B.C., when the Han Emperor Wu Ti ordered the dynastic color changed to yellow -- which symbolized the Center among the traditional Five Directions -- and took 5 as the dynastic number, believing that he would thus place himself, his imperial family, and the nation under the most auspicious influences.

Even though the stone had been around centuries and was known to both the Sumerians and the Egyptians, both who used the gem for decoration and for playing important parts in their religious ceremonies, any agate of this color from Sicily, once an ancient Greek colony, is called Greek agate.

Colangelo fired Showalter after a relatively disappointing 2000 season, and replaced him with Bob Brenly, the former Giants catcher and coach, who had up to that point been working as a color analyst on Diamondbacks television broadcasts.

Specialist acrylics have been manufactured and used for lino block printing ( acrylic block printing ink produced by Derivan since the early 1980s ), face painting, airbrushing, water color techniques, and fabric screen printing.

* Cortical map, collections ( areas ) of minicolumns in the brain cortex that have been identified as performing a specific information processing function ( texture maps, color maps, contour maps, etc.

A search of historical observations revealed that the spots were probably the most prominent transient features ever seen on the planet, and that while the Great Red Spot is notable for its striking color, no spots of the size and darkness of those caused by the SL9 impacts have ever been recorded before.

White cranberry juice is made from regular cranberries that have been harvested after the fruits are mature, but before they have attained their characteristic dark red color.