Friday, November 21, 2014

Beautiful collection of rings

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Gems of Sri Lanka

Sri Lanka, the island known as the pearl of the Indian Ocean lives up to its nickname as a hotbed for a variety of gems.Sri Lanka is home to 70 varieties of Gems out of 85 varieties available in the whole world. Gems of Sri Lanka have found there way to many a court all over the world since time immemorial.

Blue Sapphire from Sri Lanka

Ceylon Gems

Sri Lanka’s (Ceylon) gem and jewelry industry has a very long and colorful history. Sri Lanka also called as Ceylon was affectionately known as Ratna-Dweepa which means Gem Island or the island of gemstones. The name is a reflection of its natural wealth of colored stones. Marco Polo wrote that the island had the best sapphires, topazes, amethysts, and other precious and semi precious gems in the world. Ptolemy, the 2nd century astronomer recorded that beryl and sapphire were the mainstay of Sri Lanka’s gem industry. Records from sailors that visited the island states that they brought back “jewels of Serendib”. Serendib was the ancient name given to the island by middle – eastern and Persian traders that crossed the Indian Ocean to trade gems from Sri Lanka to the East during the 4th and 5th century.



Sri Lanka, geologically speaking is an extremely old country. Ninety percent of the rocks of the island are of Precambrian age, 560 million to 2,400 million years ago. The gems form in sedimentary residual gem deposits, eluvial deposits, metamorphic deposits, skarn and calcium-rich rocks. Other gems are of magmatic origin.

Residual deposits are mainly found in flood plains of rivers and streams. The metamorphic types of gems constitute 90% of the gem deposits in Sri Lanka. Sri Lanka has the highest density of gem deposits compared to its landmass. Ratnapura contains the most gem deposits and derived its name from the gem industry. Ratnapura means “city of gems”.



The blue sapphires from Sri Lanka are known as Ceylon Sapphire. Ceylon Sapphires are reportedly unique in colour, clarity and lustre compared to the blue sapphires from other countries.

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