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Sri Lanka was affectionately known as Ratna-Dweepa which means Gem Island. The name is a reflection of its natural wealth. Marco Polo wrote that the island had the best sapphires, topazes, amethysts, and other gems in the world. [1] Ptolemy, the 2nd century astronomer recorded that beryl and sapphire were
Duolingo, Inc. [b] is an American educational technology company that produces learning apps and provides language certification. Duolingo offers courses on 43 languages, [ 5 ] ranging from English , French , and Spanish to less commonly studied languages such as Welsh , Irish , and Navajo , and even constructed languages such as Klingon . [ 6 ]
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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 ...
Ekanite is an uncommon silicate mineral with chemical formula Ca 2 ThSi 8 O 20 or (Ca,Fe,Pb) 2 (Th,U)Si 8 O 20.It is a member of the steacyite group. It is among the few gemstones that are naturally radioactive.
Conversely, when the record is at risk of disruption, Duolingo users can experience emotional difficulties. Before my current four-month stint of consistent app use, I hit the milestone of 650 ...
The top 10 studied languages shifted since last year, the app said, and major world events may have been an influence. Duolingo releases its top 10 languages of 2023. What made the cut — and ...
The national anthem of Sri Lanka "Sri Lanka Matha" is believed to have been written by Rabindranath Tagore [5] and later composed by Ananda Samarakoon in 1940 before the island nation's independence from the British. In 1951, it became the national anthem of Sri Lanka. [6] [7] Firstly, it was written in Sinhalese and translated to Tamil. The ...
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