Sri Lanka is blessed with over 70 varieties of colored stones out of 200 found in the world and is among the five most important gem-bearing nations of the world. Sri Lanka’s mineral rich soils have been yielding a seemingly never ending supply of high quality precious and semi-precious gem stones such as sapphires which is an aluminum oxide, includes shades of blue, pink, yellow, green colors, star sapphires. Alexandrites, is a variety of chrysoberyl, which ideally shows a distinct color change from green in fluorescent light or daylight to red in incandescent light. Cat’s eyes like effect, known as ‘chatoyancy’, appears to move on this stone’s surface. Cat’s eye is a gem variety of chrysoberyl. Garnets is a group of gemstones occurring in every color but blue. One of earth’s most common minerals, though only a small portion is considered gem quality. Tourmaline is a group of minerals comprised of a complex boron-aluminum silicate with one or more of the following: magnesium, sodium, lithium, iron, potassium or other metals. Aquamarine is a blue to greenish-blue or bluish-green variety of beryl. Topaz is a fluosilicate of aluminum, occurring in transparent yellow, yellow-brown, orange-brown, light to almost medium red, very light to light blue, very light green and violet colors. Spinals are magnesium aluminum oxide which occurs in all colors, ruby-red being the most popular. Moonstones are usually colorless to white, semi-transparent to translucent, and characterized by a glowing light effect known as adularescence, the visibility of which is confined to a restricted angle of view. The most valuable of the feldspar gems. Quartz is the most common mineral on the face of the Earth. Gem varieties include amethyst (purple), citrine (yellow), milky quartz (cloudy, white variety), rock crystal (clear variety), rose quartz (pink to reddish-pink variety), and Smokey quartz (brown to grey variety), Zircons, Rubies, Star Rubies and a large number of rare gemstones.


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