![]() ![]() Ratnapura contains the most gem deposits and derived its name from the gem industry. Diamond How Much Do Diamonds Cost Why are Diamonds Considered Precious Gems Are Some Diamonds Valuable than Others Legends and Interesting Facts Price Chart Based on Color 2. It has been estimated that nearly 25% of the total land area of Sri Lanka is potentially gem-bearing, making Sri Lanka one of the countries with the highest density of gem deposits compared to its landmass. The metamorphic types of gems constitute 90% of the gem deposits in Sri Lanka. Residual deposits are mainly found in flood plains of rivers and streams. The mineralogy of the gem deposits varies widely with, among others, corundum ( sapphire, ruby), chrysoberyl, beryl, spinel, topaz, zircon, tourmaline, garnet being common. The gem deposits are classified as sedimentary, metamorphic and magmatic the sedimentary types being the most abundant. Nearly all the gem formations in Sri Lanka are located in the central high-grade metamorphic terrain of the Highland Complex. His list of gems deemed precious included only the universally accepted emerald, diamond, ruby, and sapphire with his own addition being pearl. The gems form in sedimentary residual gem deposits, eluvial deposits, metamorphic deposits, skarn and calcium-rich rocks. Ninety percent of the rocks of the island are of Precambrian age, 560 million to 2,400 million years ago. Sri Lanka, geologically speaking is an extremely old country. 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. Records from sailors that visited the island states that they brought back “jewels of Serendib”. ![]() Ptolemy, the 2nd century astronomer recorded that beryl and sapphire were the mainstay of Sri Lanka’s gem industry. Marco Polo wrote that the island had the best sapphires, topazes, amethysts, and other gems in the world. The name is a reflection of its natural wealth. Sri Lanka was affectionately known as Ratna-Dweepa which means Gem Island. This is our complete guide to crystal meanings with over 100 different semi-precious stones and crystals, precious gems, minerals and their metaphysical symbolism, healing properties, powers, and spiritual meaning. ![]() Sri Lanka’s gem industry has a very long and colorful history. Learn all about healing gemstones with this comprehensive list of stones and their meanings. ![]()
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