Rock Crystal

Rock Crystal is a quartz crystal mineral. Its main chemical component is silica, and the chemical formula is SiO2. The well-developed single crystal is a hexagonal cone, which is an ancient gemstone. Colorless and transparent crystals are formed when pure, purple, yellow, brown, etc. when containing trace elements Al, Fe, etc.; irradiated trace elements form different types of color hearts to produce different colors such as purple, yellow, brown, pink, etc.; those containing associated inclusion minerals are called inclusion crystals, such as hair crystals, green ghosts. Wait. The contents are rutile, tourmaline, sunrise stone, mica, chlorite, etc.