They were also asked to identify potential methods for industry to demonstrate progress in achieving the â2020 Ambitionâ. 1  CLOSING THE PERFORMANCE GAP: THE 2020 AMBITION. 2  From 2020, be able to demonstrate that at least 90% of all new homes meet or perform better than the designed energy / carbon performance.
The word Prasiolite comes from the Greek words meaning Leek Stone. It is also known as Green Quartz or (incorrectly) called lime citrine. Less common names for the mineral are Vermarine and Amagreen.
Medical Definition of APATITE. : any of a group of calcium phosphate minerals occurring variously as hexagonal crystals, as granular masses, or in fine-grained masses as the chief constituent of bones and teeth and of phosphate rock; especially: calcium phosphate fluoride Ca5F(PO4)3. any of a group of calcium phosphate minerals occurring in various colors as hexagonal crystals, as granular masses, or in fine-grained masses as the chief constituent of phosphate rock and of bones and teeth; especially: calcium phosphate fluoride. See apatite defined for kids. ADVERTISEMENT.