What are Gemstones?
Except for some gems, all the remaining gems fall in the mineral category. To meet the criteria of gemstones, it is mandatory for the mineral to be beautiful. The meaning of beauty is its pleasant color, optical effect. In addition, it is also necessary for the gemstone to be hard, durable and rare.
Gemstone is a natural achievement. They are obtained from ground and they are formed by inorganic process.
There are also some gems which are obtained from biological or vegetative process i.e. organisms or plants.