Alexandrite is a one of a kind gemstone that has a reputation of having a dramatic history and is known for its characteristic color shifting abilities. It is also known as emerald during the day and ruby at night as…
Sri Lanka the Paradise of the Indian Ocean beholds valuable gem deposits of the world. Sapphire is the Queen of Sri Lanka Gems Mining dates back to Twenty six hundred years ago. Sri Lanka’s oldest skeleton recovered from Kuruwita Batadoba…
Mining in the island of Sri Lanka goes back to at least 2000 years. This island has its own heritage in the gem mining arena. The island is called “Ratna Dweepa” because of the large number of variety of gems…
Asterism” is a term, which is most commonly used in gemmology. It refers to a kind of special optic phenomenon that has been seen in several gems. When parallel, needle-like inclusions, or tube-like channels, are oriented along two or more…
Padparadscha is an extremely rare and most prized variety of sapphire. It is also one of the most expensive gems in the world, with prices similar to those of Alexandrites and rubies. Padparadscha has a beautiful pinkish-orange color. The term…
Dive into the captivating world of rare gemstones like Axinite, Benitoite, Serandibite, and Taaffeite. These unique stones boast exceptional colors, fascinating origins, and remarkable optical properties, making them prized treasures for collectors and gem enthusiasts alike. Explore their beauty and…
The oldest and most common gemstone enhancement method is the heat treatment. Heat treatment of gemstones is done to enhance their appearance. Heat treatment may change the appearance of varieties of corundum due to several reasons. To obtain the optimum…
The mineral called corundum forms as precipitous bipyramidal, barell shaped prismatic, flat tabular or rhombohedral crystals. It also occurs in massive and granular habits. Corundum is the mineral name which is used under the mineral groups. Most people are familier…
Among the varieties of gems found in Sri Lanka the most important gem varieties are in the Sapphire group in the corundum species. Sri Lanka remains the main source for blue Sapphires and perhaps the only source for stones above…
Sri Lanka has been famous from time immemorial for the great variety and abundance of gem minerals of extremely high quality and uniqueness, earned it the name Ratna Deepa meaning Gem Island. Nature in her bounty has chosen the bosom…
