Slate's many virtues make it a popular choice. It has a less formal look than marble or granite. It's extremely durable, slip resistant, stain resistant), and fireproof. It also retains and radiates heat (for use in passive solar homes).
1. granite rough blocks / monuments / counters / gangsaw slabs / thick slabs / cut to size slabs / random slabs / , 2. natural slate slabs / tiles / mosaics / wallpanels etc., 3. sandstone : slabs / mosaics / wallpanels / artifacts etc., 4. marble : rough blocks / counters / gangsaw slabs / cut to size slabs / random slabs / tiles etc., 5. quartz : natural / artificial slabs 6. cobbles / pebbles / wash basins / landscape stones / roof tiles / ledge stones / stacking stones / flag stones / butching stones / tumbled stones / artifacts.