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Raw amethyst grows as a six-sided crystal that can also form a crystalline covering a rock. Amethyst is found inside of geodes and alluvial deposits. Manganese in clear quartz produces the amethyst, while the amount of i... More »

The Taj Mahal sits on the banks of the Yamuna River in Agra, India, was built as a tomb, has architectural features from three different cultures and is a designated UNESCO World Heritage site. The structure is only part... More »

www.reference.com Geography

Apartheid is a form of racial segregation that has its roots in South Africa. Under this system of segregation, South Africans were divided into groups of whites and nonwhites. Apartheid was introduced in 1948 under the ... More »

www.reference.com History Modern History
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Birthstone gems come in a variety of colors, such as January's deep red garnet and the purple or violet amethyst of February. Since some months have multiple birthstones, certain birthdays come with a choice of colors. More »

Although some months have alternative birthstones, the most commonly purchased birth stones are the 12 traditional stones: garnet, amethyst, aquamarine, diamond, emerald, pearl, ruby, peridot, sapphire, tourmaline, topaz... More »

The birthstones for each month are garnet for January, amethyst for February, aquamarine for March, diamond for April, emerald for May, pearl for June, ruby for July, peridot for August, sapphire for September, opal for ... More »

As of 2014, most amethyst comes from Brazil and Uruguay. Before amethyst was discovered in these locations, amethyst was mined in Sri Lanka, Germany, India and the Ural Mountains in Russia. More »