Metals properties

Metal Slug is currently include many of the alloy which is composed mainly of copper, tin and other metals in small proportions, the most important zinc, tin and metals such as ammonium and phosphorus.
Among the most important mechanical properties.
- It was originally made of copper and more tolerant and add small percentages of tin is about 4% increase hardness. If, however, increased the percentage of 4%, the resulting alloy becomes brittle and easily breakable and, if not Tldenha....

What is Gold?
Gold is a very precious metal and a chemical element that has the symbol Au and atomic number 79 in the periodic table. The so-called natural his condition before hitting by gold dust, a soft yellow color and shiny, use as a criticism when many peoples...

Formalin of boron silicate and other elements such as potassium, sodium, aluminum, iron, lithium, magnesium consists (BO3) 3 (Si, Al, B) 6O18 (OH, F) 4
). The color is determined by the type of impurities Tourmaline covers a wide spectrum of colors of black, brown, red, yellow, blue and others....

  Pearl is made as a result of the secretion of organic materials Kalkounkeulen (conchiolin) and inorganic Kalcalcet (Alcaliswm crystalline carbonate (CaCO3)) inside the shells of some types of mollusks and shellfish where Pearl secretion in the form...