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The metamorphic types of gems constitute 90% of the gem deposits in Sri Lanka. 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. [3] [4]
Deposits of moonstone occur in Armenia (mainly from Lake Sevan), Australia, the Austrian Alps, Mexico, Madagascar, Myanmar, Norway, Poland, India, Sri Lanka, and the United States. [2] [3] Historically, the most valuable, transparent moonstones with strong blue sheen came from Myanmar. [1] Today, most commercial moonstones come from Sri Lanka. [3]
Geuda (ගෙවුඩ, pronounced gay-yoo-dah [needs IPA]) is a form of the mineral corundum, or sapphire, found primarily in Sri Lanka. Around 70%-80% of gems mined in Sri Lanka belong to geuda varieties. Because of its semitransparent and milky appearance due to rutile inclusions, these stones have little value as gemstones in their natural ...
The Star of Adam is an oval-shaped blue star sapphire, currently the largest star sapphire in the world. [1] [2] [3] It weighs 1,404.49 carats (280.898 g; 9.9084 oz). [4]Prior to its discovery in 2015, the Black Star of Queensland, weighing 733 carats (146.6 g), was the largest star sapphire gem in the world.
The type locality is Eheliyagoda, Ratnapura District, Sabaragamuwa Province, Sri Lanka, [2] where it was first described in 1955 by F. L. D. Ekanayake, a Sri Lankan scientist, [5] [6] and it is named after him. [5] In Sri Lanka the mineral specimens occur as detrital pebbles.
Pages in category "Gems of Sri Lanka" ... Star of India (gem) This page was last edited on 2 January 2018, at 17:00 (UTC). Text is available under the Creative ...
Sri Lanka: Queen of Asia is the world's largest natural corundum blue sapphire. [1] It weighs 310 kilograms (1,600,000 carats). [2] ... Queen of Asia (gem)
In 2018 Yavorskyy released Burma Gems. Sri Lanka Gems. [18] The double-book set is devoted to the most historical and important gemstone countries on the planet, personally related to the author. Sri Lanka Gems Book was supported by the government of Sri Lanka and officially launched at the Facets show opening ceremony in Colombo.