Simple Geology Mod

-Limestone

-Can be found everywhere 

-Can be polished
-Chalk

-Can be found in high cliffs

-Can be crafted into a light gray dye

-Can be stained

-Can be polished

-Slate

-Can be found near the water level

-Can be found in deposits 
    -They drop four slates (item)
-Can be crafted into a slate block

-The plate block can be polished

-Shale

-Can be found in high mountains

-Can be polished