Introduction To Crystal

Crystal (rock crystal), rare mineral, gem of a, quartz crystal, in mineral learn Shang belongs to quartz family, main chemical ingredients is silica, chemical type for SiO2, pure Shi formed colorless transparent of Crystal, dang containing trace elements Al, and Fe, Shi is purple, and yellow, and Brown,, by irradiation trace elements formed different type of color heart, produced different of color, as purple, and yellow, and Brown, and pink,.

Associated inclusions containing minerals are called Crystal inclusions, such as grain, green ghost, internal package for rutile, tourmaline, actinolite, mica, chlorite, and so on.