- basalt: extrusive, ingeous, like a norman rock but black
- bituminous coal: organic, sedimentary, black, fine grained
- chalk: organic, sedimentary, white, fine grained
- garnet-mica-schist: not foliated, metamorphic, shiny, goldish
- gneiss: foliated, metamorphic, layered, dark, flat
- granite: intrusive, ingeous, normal rock, light colour
- limestone: organic, sedimentary, hard, normal rock
- marble: not foliated, metamorphic, white with veins
- obsidian: extrusive, ingeous, like black glass
- pumice: extrusive, ingeous, un-heavy and holey
- sandstone: clastic, sedimentary, sandy
- serpentine: not foliated, metamorphic, dark, red bit going through
- shale: clastic, sedimentary, dark, slightly lighter than siltstone
- siltstone: clastic, sedimentary, dark, slightly darker than shale