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Of the many silica-based glasses that exist, ordinary glazing and container glass is formed from a specific type called soda-lime glass, composed of approximately 75% silicon dioxide (SiO 2), sodium oxide (Na 2 O) from sodium carbonate (Na 2 CO 3), calcium oxide, also called lime (CaO), and several minor additives.
When the glass melts at a lower temperature, it is possible to create homogeneous and bubble free Murano glass. The Murano glass in its basic composition is colorless. The colors are obtained by adding small amounts of minerals, oxides, and chemical derivatives to the base composition of the glass powder.he Murano glass is made up of 70% silica sand, added to a 30% of other substances called âfluxesâ and stabilizers (soda and lime). These added âfluxesâ allows the glass to be melted at a lower temperature, and the stabilizers prevent the glass's solubility in water.