Otto w.florke,et al silica in ullmann encyclopedia
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Silica (SiO2) is a commonly occurring compound in nature. Various crystalline and noncrystalline silica minerals of inorganic and biogenic origin are known.
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- Silica (SiO2) is a commonly occurring compound in nature. Various crystalline and noncrystalline silica minerals of inorganic and biogenic origin are known.
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