![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Quartz_Br%25C3%25A9sil.jpg/640px-Quartz_Br%25C3%25A9sil.jpg&w=640&q=50)
Quarzum
From Wikipedia, the free encyclopedia
Quarzum[1] est unum ex amplissimis orbis terrarum mineralibus, secundum post spathum, scilicet silicii dioxidum. Formula silicii dioxidi SiO2 est:
- Si(OH)4 → SiO2 + 2 H2O
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Quartz_Br%C3%A9sil.jpg/640px-Quartz_Br%C3%A9sil.jpg)
Quarzum[1] est unum ex amplissimis orbis terrarum mineralibus, secundum post spathum, scilicet silicii dioxidum. Formula silicii dioxidi SiO2 est: