What Is Gemstones?

4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure have been found on Earth. They are formed of simple molecules or individual elements arranged in repeating chains, sheets, or three-dimensional arrays.

Gemstone Mining In Sri Lanka

Throughout history, Sri Lanka has been known as a land of gems and one of the major Gem market hub for trading many types of color gemstones. It is an accepted fact that many varieties of gems are found in Sri Lanka. There are over 200 varieties of Gemstones found in many parts of the World and about 70 varieties of them are known to be found in Sri Lanka ( Ceylon ). Sri Lanka has been synonymous with gems for centuries and the gem industry has been in existence for over 2500 years.

Blue Sapphire

Sapphire is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and luster. Gemstone color can be described in terms of hue, saturation, and tone. Hue is commonly understood as the “color” of the gemstone. Saturation refers to the vividness or brightness of the hue, and tone is the lightness to darkness of the hue. Blue sapphire exists in various mixtures of its primary (blue) and secondary hues, various tonal levels (shades) and at various levels of saturation (vividness).