Scroll to see break-even price per barrel for oil in 2015 for select oil producers, and click on a country's name for more details. modest oil-price recovery and currency devaluations have lowered breakeven prices for countries like Russia and Nigeria, but some petrostates still need oil prices above $100 a barrel to balance their budgets.
There are dozens of types of gemstones â including diamonds, colored gemstones, and pearls â each with a unique set of physical and optical properties. GIRDLE â The narrow band around the perimeter of a polished or faceted diamond or colored gemstone.
Gemstone Meanings. Celestite / Celestine. A transparent to translucent crystal which can be colorless, white or colored in different tones, like blue, pink, green or even black, the Celestite or Celestine derives its name from the Latin word for heavenly or celestial (sic!) âcaelestisâ, making reference to the much sought after blue color variety.