What is Silicon Dioxide? | eHow - eHow | How to - Discover the expert in you!

What is Silicon Dioxide? | eHow - eHow | How to - Discover the expert in you!

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日期:2025-07-06
Silicon dioxide, also known as silica, is the most abundant mineral in the Earth's crust, and it is found on every continent in forms ranging from fine powders to giant rock crystals. In addition to having a natural beauty in its raw mineral form, the sub...看更多