Manufactured Stone

Quartzite Pebble

Quartzite (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartzite

Metamorphic Quartzite (SiO2)

Pumice

Pumice (Volcanic Glass Foam)

Quartzite

Metamorphic Quartz Arenite (SiO2)

Basalt

Extrusive Igneous Rock

Limestone

Calcareous sedimentary rock (CaCO3)

Quartzite

SiO2 (Silicon Dioxide / Metamorphic Quartz)

Sandstone

Sandstone (Quartz-rich Arenite / SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Banded Sandstone (River Cobble)

Arenite Sandstone with heavy mineral layering

Quartzite

Quartzite (SiO2)

Chert

Chert (SiO2)

Basalt

Extrusive mafic igneous rock

Quartzite

Silicon Dioxide (SiO2)

Quartzite Pebble (River Rock)

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Plagioclase Feldspar

Plagioclase (NaAlSi3O8 - CaAl2Si2O8 series)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Quartzite Pebble

Quartzite (primarily SiO2)

Yellow Quartzite (River Cobble)

Quartzite (mainly SiO2)

Quartzite

Quartzite (SiO2)

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite

Quartzite (primarily SiO2)

Basalt

Basalt (Mafic volcanic rock)

Milky Quartz Pebble with Iron Inclusions

Crystalline Silicon Dioxide (SiO2)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Limestone

Calcium Carbonate (CaCO3)

Quartzite Pebble

Metamorphic Quartzite

Limestone

Calcium Carbonate (CaCO3)

Basalt

Mafic extrusive igneous rock

Pink Feldspar

Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8

Basalt

Extrusive Igneous Rock

Limestone

Calcium Carbonate (CaCO3)

Quartzite

Metamorphic Quartzite

Quartzite

Quartzite (Metamorphic Quartz Sandstone)

Quartzite

Metamorphic Quartzite

Quartzite Pebble

Metamorphic Quartzite

Quartzite

Metamorphic Quartz Rock (SiO2)