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.
Credit: Steve Jurvetson CC-BY 2.0. The pectoral girdle includes the clavicles and scapulae, and it connects the upper arms to the axial skeleton. There is no anatomical joint between the scapula and the rib cage, but rather a connection made up of muscle and ligament. This allows for a greater range of mobility and flexibility. The pelvic girdle consists of the hip bones, the sacrum and the coccyx.