Rock Identifier

Category

Manufactured Stone

Browse manufactured stone specimens identified by the Rock Identifier community.

Learn about Manufactured Stone in the encyclopedia

Dalmatian Stone

Dalmatian Stone

Cinnamon Stone

Stone Canyon Jasper

Strawberry Obsidian

Cherry Obsidian

Turquoise Obsidian

Royal Blue Obsidian

Emerald Green Obsidian

Watermelon Obsidian

Cobalt Blue Obsidian

Teal Obsidian

Yellow-Green Obsidian

Yellow-Green Obsidian

Quartzite river stone (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite river stone

Quartzite (SiO2 silicon dioxide)

Chert (Arrowhead Debitage or Spall) (Silicon Dioxide (SiO₂)) — sedimentary

Chert (Arrowhead Debitage or Spall)

Silicon Dioxide (SiO₂)

Citrine Quartz Cluster (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz Cluster

Silicon Dioxide (SiO2)

Milky Quartz with Chlorite/Iron staining (Silicon Dioxide (SiO2) with inclusions) — mineral

Milky Quartz with Chlorite/Iron staining

Silicon Dioxide (SiO2) with inclusions

Ruby (in costume jewelry context) (Corundum (Al2O3) with Chromium impurities) — mineral

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Cullet Glass (sometimes mistaken for Blue Obsidian or Slag) (Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)) — mineraloid / industrial byproduct

Cullet Glass (sometimes mistaken for Blue Obsidian or Slag)

Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)

mineraloid / industrial byproduct

Sandstone Pebble (Arenite (primarily SiO2)) — sedimentary

Sandstone Pebble

Arenite (primarily SiO2)

Basalt (Basalt (Aphanitic Mafic Volcanic Rock)) — Igneous

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Slag (Anthropogenic Glass/Iron byproduct) (Ferro-silicate Slag) — Anthropogenic (Man-made)

Slag (Anthropogenic Glass/Iron byproduct)

Ferro-silicate Slag

Anthropogenic (Man-made)

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

Flint nodule (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Flint nodule

Sedimentary cryptocrystalline quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Quartz Crystal on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal on Matrix

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2 dominant)) — metamorphic

Quartzite

Quartzite (SiO2 dominant)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

White Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartzite River Rock (Metamorphic Rock (Recrystallized Quartz - SiO2)) — metamorphic

Quartzite River Rock

Metamorphic Rock (Recrystallized Quartz - SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Milky Quartz with Pyrite and Iron Staining (Silicon Dioxide (SiO2) with Iron Disulfide (FeS2) inclusions) — mineral

Milky Quartz with Pyrite and Iron Staining

Silicon Dioxide (SiO2) with Iron Disulfide (FeS2) inclusions

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2) with Hematite/Limonite) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2) with Hematite/Limonite

Chert (Jasper) (Microcrystalline Quartz (SiO2) with Iron Oxide impurities) — sedimentary

Chert (Jasper)

Microcrystalline Quartz (SiO2) with Iron Oxide impurities

Quartzite (Gold-toned) (Crystalline Quartz Metamorphite (SiO2)) — metamorphic

Quartzite (Gold-toned)

Crystalline Quartz Metamorphite (SiO2)

Basalt (Basalt (extrusive volcanic rock)) — igneous

Basalt

Basalt (extrusive volcanic rock)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Limestone (with Calcite Veining) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (with Calcite Veining)

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartzite (with Iron Staining) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (with Iron Staining)

Metamorphosed Quartz Sandstone (SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Pink Quartzite (Silica (SiO2) - Metamorphic rock) — metamorphic

Pink Quartzite

Silica (SiO2) - Metamorphic rock

Flint (Silicon Dioxide (SiO2) - variety of Chert) — sedimentary

Flint

Silicon Dioxide (SiO2) - variety of Chert

Cloud Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Cloud Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Oolitic Ironstone (Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)) — sedimentary

Oolitic Ironstone

Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)

Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)