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  2. Gems of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Gems_of_Sri_Lanka

    Sri Lanka’s gem industry has a very long and colorful history. 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]

  3. Category:Gems of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Category:Gems_of_Sri_Lanka

    Download QR code; Print/export ... Pages in category "Gems of Sri Lanka" The following 8 pages are in this category, out of 8 total. ... Wikipedia® is a registered ...

  4. Ekanite - Wikipedia

    en.wikipedia.org/wiki/Ekanite

    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.

  5. Stone inscriptions in Sri Lanka - Wikipedia

    en.wikipedia.org/.../Stone_inscriptions_in_Sri_Lanka

    There are different types [1] of Stone inscriptions in Sri Lanka. The number of stone inscriptions that have been found in Sri Lanka to date is over 4000. Considering their locations and their appearances, for the ease of studying, they are classified as follows: 1. Cave Inscriptions 2.

  6. Phenakite - Wikipedia

    en.wikipedia.org/wiki/Phenakite

    Phenakite or phenacite is a fairly rare nesosilicate mineral consisting of beryllium orthosilicate, Be 2 Si O 4.Occasionally used as a gemstone, phenakite occurs as isolated crystals, which are rhombohedral with parallel-faced hemihedrism, and are either lenticular or prismatic in habit: the lenticular habit is determined by the development of faces of several obtuse rhombohedra and the ...

  7. Serendibite - Wikipedia

    en.wikipedia.org/wiki/Serendibite

    Serendibite is an extremely rare silicate mineral that was first discovered in 1902 in Sri Lanka by Dunil Palitha Gunasekera and named after Serendib, the old Arabic name for Sri Lanka. The mineral is found in skarns associated with boron metasomatism of carbonate rocks where intruded by granite.

  8. Geuda - Wikipedia

    en.wikipedia.org/wiki/Geuda

    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 ...

  9. Sigiriya - Wikipedia

    en.wikipedia.org/wiki/Sigiriya

    This site may have been important in the competition between the Mahayana and Theravada Buddhist traditions in ancient Sri Lanka. In Professor Senarath Paranavithana 's book The Story of Sigiri , King Dathusena is said to have taken the advice of the Persian Nestorian Priest Maga Brahmana on building his palace on Sigirya.