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  2. Benitoite - Wikipedia

    en.wikipedia.org/wiki/Benitoite

    Benitoite is a rare mineral found in very few locations including San Benito County, California, Japan and Arkansas. In the San Benito occurrence, it is found in natrolite veins within glaucophane schist within a serpentinite body. In Japan, the mineral occurs in a magnesio-riebeckite-quartz-phlogopite-albite dike cutting a serpentinite body. [5]

  3. 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. Most ekanite is mined in Sri Lanka, although deposits also occur in Russia and North America.

  4. Sinhalite - Wikipedia

    en.wikipedia.org/wiki/Sinhalite

    Sinhalite is a borate mineral with formula MgAl(BO 4). [2] Sinhalite was first found in Sri Lanka (Ceylon) in 1952, and was named from Sinhala - the Sanskrit name for Sri Lanka. [3] Gemstone quality Sinhalite can also be found in Madagascar, Tanzania and Myanmar (Burma).

  5. Pabstite - Wikipedia

    en.wikipedia.org/wiki/Pabstite

    Pabstite is a barium tin titanium silicate mineral that is found in contact metamorphosed limestone. It belongs to the benitoite group of minerals. The chemical formula of pabstite is Ba(Sn,Ti)Si 3 O 9. It is found in Santa Cruz, California. The crystal system of the mineral is hexagonal.

  6. Lankem Ceylon - Wikipedia

    en.wikipedia.org/wiki/Lankem_Ceylon

    Lankem Ceylon PLC is a chemicals, paints and consumer goods manufacturing company in Sri Lanka. The company also engaged in the hospitality industry by owning and operating resorts in Sri Lanka. The company is incorporated in 1964 by Royal Dutch Shell and listed on the Colombo Stock Exchange in 1970.

  7. Gems of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Gems_of_Sri_Lanka

    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. Nearly all the gem formations in Sri Lanka are located ...

  8. 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.

  9. List of countries by exports - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_exports

    Service exports refer to the cross-border sale or supply of services by residents of one country to residents of another country. Some countries have significantly high export figures relative to their economy's size (i.e. Netherlands, Singapore and UAE) due to their high amount of re-exports.