Stone

Rajasthan govenment leases mining blocks of rare minerals

In a complete disregard for the rare minerals, Rajasthan government has leased mining blocks that contains copper, silver and tin for extracting masonry stones and construction materials. Despite reminders from the central government agencies, mines department has taken no action resulting into a loss of revenues and wastage of national …

Diamonds are not forever

CARBON is a remarkable element; not only is it the basis of life as we know it, it also has an amazing diversity in its inorganic form. From coal to graphite to diamond and carbon-60, the variety in its structure and properties is unmatched. Diamond is the hardest substance known …

Reviving traditions

Farmers in Burkina Faso's central plateau in Sahel, are turning to traditional practices such as building stone lines, pocket-like pits known as Zaiand permeable stone dams. These increase yields by as much as 80 percent in some of the farms by preventing draining of water, increasing its seepage into soil …

Sparkles galore

DIAMONDS are formed in more ways than one. While it was believed earlier that the beautiful crystals were retrieved from deep mines of igneous or metamorphic rocks of the mantle formed under conditions of high temperature and pressure, new research reveals that there are other ways by which they are …

  1. 1
  2. ...
  3. 4
  4. 5
  5. 6
  6. 7
  7. 8

IEP child categories loading...