Crystal (rock crystal), rare mineral, a kind of precious stones, quartz crystals, on mineralogy belongs to quartz, the main chemical composition is SiO2, chemical formula for SiO2, pure form a colorless, transparent crystal, when containing trace elements Al, Fe in pink, purple, yellow, brown, etc, formed by the irradiation of trace element of different types of color heart, produce different colors, such as purple, yellow, brown, pink, etc. Called inclusions containing associated mineral inclusions crystal, such as development, green ghost, red rabbit hair, the package for the rutile, tourmaline, actinolite, mica, chlorite, etc.
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- The Properties Of The Crystal
- Mechanical Properties Of The Crystal
- Crystal Glass Vase
- The Category Of The Vase
- Flower Of The Profile
- The Flower Of The Architectural Form
- Flower Of Commonly Used Building Ma...
- The Application Of Flower
- The Summary Of Crystal Chandeliers
- An Overview Of The Crystal Perfume ...