However, depending on the context, you could use:
* A pane of glass: This is a common term for a single piece of glass, and it's often used to refer to a window.
* A sheet of glass: This is more general and can refer to any flat piece of glass.
* A collection of glass: This is a general term that could be used for a group of glass objects.
* A display of glass: This is a more specific term that could be used for a collection of glass objects on display.
* A set of glassware: This is a common term for a collection of glass drinking vessels, such as glasses, mugs, and decanters.
Ultimately, the best collective noun for glass depends on the specific context.