Gems have fascinated people for thousands of years. The first known gems used to craft jewelry were amethyst, rock crystal, amber, garnet, jade, jasper, coral, lapis lazuli, pearl, serpentine, emerald and turquoise. These stones were reserved to the rich and served as status symbols.
In ancient times, gemstones have been used as healing stones and talismans for their magical powers. Gemstone Jewelry is used today for its aesthetic value and beauty. Some are still buying rings with precious stones and the charm of its mystical properties.
Large stones can be classified as natural and artificial stone found. Natural pearls are found in the soil of Mother Nature while synthetic stones are artificially created. Gems in the laboratory have essentially the same chemical, physical and visual properties as natural stones. These stones are relatively less expensive than natural stone. Scientists and gemologists agree that the only natural stone offer positive healing powers.
A gem is usually measured by the weight and size, or both. The basic unit for weighing gemstones is the carat, which equals one fifth of a gram. Karat is divided into 100 units called points. For example, half-carat gemstone weighing 0.50 carats or 50 points. When gemstones are measured by the size, height in millimeters.
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