It was made my heating several minerals at high temperatures.
EDIT: History has it some Arabs were cooking on sand, and noticed lumps of meted material in the ash after the fire cooled. The sodium carbonate in the ash (similar to laundry detergent) allowed the silica (silicon dioxide)in the sand to melt at a lower temperature. Nowadays, the chemicals used are generally calcium carbonate (lime; like chalk) and lead salts to make it sparkle. The lime and soda are called :"flux" to allow the silica to, again, melt at a lower temperature.
Glass is made out of sand Glass is made of sand.
A Coke glass is made out of colored glass.
Glass.
they are made of glass
You ask for a glass, and if they hand you a plastic cup you usually do not drink out of it.
You answered your own question. Balustrade glass is made of .... glass!
A window. Or what you may refer to is what is glass made of. Glass = Sand.
NO it is not made of glass in earlier times the sewing machine was made of metal. now it is made of plastic with glass in it
yes glass is made out of sand
Glass is typically made by melting sand, Much of that sand consists of quartz. Some glass will also be made of recycled glass.
A glass container is anything made of glass that is used to contain or store something. For instance, a jar or a bottle made of glass is a glass container.
here is an article about how murano glass is made: