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Results 1 - 10 of 59 for Gemstones
  • Article - 15 Jun 2022
    Mining is a key global economic activity that has a millennia-old history and has evolved from simple surface resource exploitation in ancient times to the complex and vast quarrying and deep...
  • Article - 2 Dec 2019
    Mining involves excavating useful materials from within solid earth. Stones and rocks uncovered during the process are made of clusters of minerals and they often form crystals.
  • Article - 26 Aug 2019
    With over 4,000 types of minerals, there are many physical properties that make them distinguishable pieces of matter.
  • Article - 24 May 2019
    A semiconductor material is a nominally small band gap insulator that can be doped with impurities that change the electronic properties of the material in a controllable way.
  • Article - 26 Oct 2017
    Turquoise, an opaque mineral that is well known for it’s alluring design pattern that is made up of naturally crafted mixes of blue, green and yellow colors, has been a treasured gemstone for...
  • Article - 24 May 2016
    It is thought that billions of tons of water and rare earth elements, like uranium and thorium exist on the moon, and private companies are aiming to obtain them. The European Space Agency even has...
  • Article - 14 Nov 2012
    Lebanon is located between Syria and Israel bordering the Mediterranean Sea. The total area of the country is 10,400 km2, and it has a population of 4,140,289 as of July 2012. The country enjoys a...
  • Article - 14 Nov 2012
    Israel is located between Lebanon and Egypt bordering the Mediterranean Sea. The total area of the country is 20,770 km2, and it has a population of 7,590,758 as of July 2012.
  • Article - 6 Nov 2012
    Laos is located to the west of Vietnam and northeast of Thailand in Southeastern Asia. The total area of the country is 236,800 km2, and it has a population of 6,586,266 as of July 2011. The country’s...
  • Article - 6 Nov 2012
    Sri Lanka is an island nation located to the south of India in the Indian Ocean. The total area of the country is 65,610 km2, and it has a population of 21,481,334 as of July 2011. The country’s...

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