As with other chemical reactions, the reaction rate and efficiency of PCR are affected by limiting factors. 1  Thus, the entire PCR process can further be divided into three stages based on reaction progress: 2  Exponential amplification: At every cycle, the amount of product is doubled (assuming 100% reaction efficiency).
Quick Answer. Aquamarine forms when magma under the Earth's crust interacts with mineral-rich rocks under mountain ranges. The magma cools as it enters fissures and crevasses of rocks called pegamites. The minerals in the pegamites heat up when they interact with the magma, forming the gemstone. Continue Reading.
Ancient Greeks believed that the stone protected the wearer from drunkenness and enabled them to keep a balanced mindset. Aquamarine, the birthstone of March, has a rich color and has long been a symbol of youth, health and hope. Its mesmerizing color ranges from pale to deep blue and are reminiscent of the sea.