Sand is necessary for glass. I'm not sure what else it will be used for -- but glass mat be the main thing. If there are crystals like those shone in the last Shiny, then they can probably be used by Ashland instead of glass.
Through the travail of ages, midst the pomp and toil of war have I fought and strove and perished countless times before So as through a glass, darkly, the age old strife I see - for I've fought in many guises, many names, but always me.