Different varieties of gemstones have been identified, and they have also been divided into many different categories, so a collector or gem enthusiast can easily add some spice in his/her list of collection. Usually gemstones are divided into precious and semi precious categories, but some of them have such a composition and structure that it becomes quite difficult to classify them. But most of them can be easily classified and here are some well known kinds of precious and semi precious gemstones.
Diamond is no doubt the king of the gemstone kingdom which has been ruling not only on gemstones world, but also on human hearts for quite some time. Diamond is also quite well known as the hardest natural substance. It’ s the most precious gemstone in the world at present.
Chrysoberyl is also quite well known for its hardness that has higher quantities of beryllium in it. Apparently, it’s a nice looking gemstone that offers green and yellow shades, and they also have the tendency to change colors in different kinds of light. Alexandrite and Cat’s eye are to well known chrysoberyls that are widely used in different kinds of jewelry.
Quartz: Quartz is considered the most common type of mineral in the world. It is available in a wide range of colors. Quartz is abundantly found, but it is still reckoned a valuable gemstone and the reason is that it’s quite hard to find flawless and perfect quartz to use in jewelry and other decorative items.
Corundum is known as the second hardest gemstone in the world. Corundum is reckoned a composition of different trace minerals and aluminum oxide. Different kinds of corundum take their form because of the trace minerals. Sapphires and rubies are two popular examples of this kind of stone.
Aside from these well-known gemstones, many other precious and semi precious gemstone including beryl, jade, feldspar, lapis lazuli, topaz, peridot are being widely used in different decorative items and jewelry.
Some organic gemstones are also quite well known for their matchless beauty and rich colors pearls and amber are two well known examples of these organic gemstones which do not occur in mineral source, but have an organic source instead. Various kinds of organic gemstones are being widely used in different kinds of jewelry and other decorative items.