Search

Sort by:
Results 31 - 40 of 59 for Gemstones
  • Article - 8 Oct 2012
    Democratic Republic of Congo (DR Congo) is located to the northeast of Angola in Central Africa. The country was formerly known as Zaire. The total area of the country is 2,344,858 km2, and it has a...
  • 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 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 - 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 - 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 - 5 Nov 2012
    Cambodia, with a total population of 14,952,665 as of July 2010, is located in Southeastern Asia, bordering the Gulf of Thailand, between Thailand, Vietnam, and Laos.
  • Article - 24 Sep 2012
    Ethiopia, with a total population of 91,195,675 as of July 2012, is located in Eastern Africa, to the west of Somalia. The country mostly has a tropical climate and covers a total area of 1,104,300...
  • Article - 17 Sep 2012
    Pakistan is located in Southern Asia between Iran and Afghanistan on the west and India on the east. China is its neighbor to the north.
  • Article - 12 Sep 2012
    Cameroon is located in Central Africa between Nigeria and Equatorial Guinea. It covers an area of 475,440 km2 and has a population of 20,129,878 according to 2012 estimates.

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.