3 ms·
Sand. Probably meant a grain of sodium chloride! :)
by graeham 12y ago
Sand. Probably meant a grain of sodium chloride! :)
- claudius 12y agoMy apologies :)
- thaumasiotes 12y agoSand is silicon dioxide. Quartz is the same stuff. But if for whatever reason you have to acquire a "large piece"... quartz is much prettier ;)