Neurotransmitters and hormones are the chemicals which control every system and process within the body. Norepinephrine is both a neurotransmitter and a hormone. As a result, its role within the body is essential to normal body and brain function.orepinephrine's role as a brain and body stimulant requires a certain level of this chemical to be present to achieve normal mental and emotional function. Its primary mechanism is that of arousal.
A normal diamond pickaxe has 1562 durability so it may get you as much stone with that pickaxe. With Unbreaking III however, that may quadruple your mining count, or around 6248 stone. Efficiency enchantment just makes mining faster and does not improve durability. Sources: http://minecraft.gamepedia.com/Pickaxe
Use the Tape to Measure Your Diamond. Although, it will not provide you the exact measurement, yet you can count on this method to get an idea about the carat weight of your diamond. For this, you will need a tape, which measures in millimeters. Now, choose a clean and flat surface to place your selected loose diamond. Set the diamond face in upward direction. Remember, you have to measure the diameter of the diamond at the widest point.