Can crystal and SiO2 be equal? Why?The SiO2 name is called crystal, this sentence?
Not equalSilica into crystalline and amorphous two categories. Mainly in crystalline silica quartz ore, it is often quartz, tridymite and cristobalite appeared in three varieties. Some quartz ore has a special name, such as quartz crystal and transparent crystal, amethyst, agate and jade jade colored crystal containing impurities.SiO2 is not the name called silica crystal
If you can't say the name called C diamond, can only say that the diamond containing C, while the crystal containing SiO2, but not the name called crystal SiO2
Different. The former is a mixture, the main component is SiO2, and SiO2 is a compound, is pure
