Look through a glass at this answer, if you can see this then yes it is
soft glass Hard glass crown glass flint glass glass ceramics etc
glass
You ask for a glass, and if they hand you a plastic cup you usually do not drink out of it.
glass cutter is when u cut glass using a glass cutter
Yes slag glass is real glass. It's the remnants of the glass manufacturing process.
Some of them are blown glass, slumped glass, mosaics, suncatchers, and stained glass.
Glass.
There are many types of glass, with common categories including float glass, tempered glass, laminated glass, and stained glass. Each type has different properties and uses, such as for windows, tableware, or artistic purposes. The choice of glass type depends on factors such as strength, safety, and intended application.
because glass working needs soft glass
Glass is made out of sand Glass is made of sand.
because glass working needs soft glass
As far as anyone can tell... yes. There has not yet been found an example of glass that is not glass. I say nay, glass is melted sand, so glass is sand.