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.
Aquamarine - the Stone of Rescue... Aquamarine Meaning: The Rescue Stone... Aquamarine is the best gemstone for allowing yourself time for play and dalliance. Aquamarine has a pure crystal form and a more opaque form but both share the beautiful Blue-Green color of clear tropical waters - Aqua=water and Marine=of the sea.