Man Made Rock (Technosol)

Coal (most likely Bituminous or Anthracite)

Coal (organic sedimentary rock)

Pumice

Pumice (Vitreous volcanic rock)

Sandstone (Greywacke)

Arenite / Clastic Sedimentary Rock

Granite

Phaneritic Felsic Igneous Rock

Granite

Granite (Felsic Plutonic Rock)

Jasper-Quartz Conglomerate / Chert

Siliceous Sedimentary Rock (SiO2)

Red Granite

Granite (Felsic Plutonic Rock)

Sandstone or Mudstone

Sedimentary Rock (Sandstone/Mudstone)

Granite

Phaneritic Felsic Igneous Rock

Conglomerate

Conglomerate (clastic sedimentary rock)

Granite

Phaneritic Felsic Igneous Rock

Marble

Recrystallized Calcite Rock (CaCO3)

Granite

Granite (Felsic Plutonic Rock)

Amygdaloidal Rhyolite

Amygdaloidal felsic extrusive rock

Basalt

Basalt (Mafic volcanic rock)

Granite

Granite (Felsic Plutonic Rock)

Granite

Phaneritic Felsic Igneous Rock

Pumice

Pumice (Vitreous pyroclastic rock)

Granite

Phaneritic Felsic Igneous Rock

Granite

Phaneritic Igneous Rock (Granite)

Eclogite

Eclogite (Omphacite-Garnet rock)

Conglomerate

Conglomerate (clastic sedimentary rock)

Granite

Phaneritic Plutonic Felsic Rock

Siltstone

Siltstone (siliciclastic sedimentary rock)

Marble

Recrystallized Calcite (CaCO3) Rock

Basalt

Extrusive mafic igneous rock

Puddingstone (Conglomerate)

Conglomerate (clastic sedimentary rock)

Granite

Granite (Phaneritic igneous rock)

Conglomerate

Conglomerate (clastic sedimentary rock)

Granite

Granite (Phaneritic Igneous Rock)

Marble

Recrystallized Carbonate Rock (CaCO3)

Granite

Phaneritic Felsic Igneous Rock

Granite

Phaneritic plutonic rock (Felsic)

Granite

Granite (a plutonic igneous rock)

Sandstone (with Feldspathic/Arkose qualities)

Arenite (primarily SiO2 with KAlSi3O8 components)

Quartz (Milky Quartz/Citrine Type)

Silicon Dioxide (SiO2)

Serpentine

Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Quartzite

Quartzite (primarily SiO2)

Turquoise

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Carnelian Agate

Silicon Dioxide (SiO2)

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese