To use both products together, you first need to buy a Skype phone number. Once you have a personal Skype number, you can then set up Google Voice to forward any calls from your free Google Voice phone number to your Skype number, as well as to any other mobile or landline phone.
Nepheline Syenite can also be used as an alternative to feldspars to supply alumina for the glass industry. Alumina provides increased resistance to scratching and breaking of glass. Nepheline Syenite has been used by the ceramic industry for many years, and its whiteness is considered to be one of its best properties.
Nepheline syenites are silica-undersaturated and some are peralkaline (terms discussed in igneous rock). Nepheline is a feldspathoid, a solid-solution mineral, that does not coexist with quartz; rather, nepheline would react with quartz to produce alkali feldspar.