Rock Identifier

Category

Mineral, Often A Rock Given Its Aggregate Nature

Browse mineral, often a rock given its aggregate nature specimens identified by the Rock Identifier community.

Learn about Mineral, Often A Rock Given Its Aggregate Nature in the encyclopedia

Bumblebee Jasper

Bumblebee Jasper

Skarn

Serpentinite

Lamprophyre

Pyroxenite

Aquamarine Matrix

Aquamarine Matrix

Peacock Ore

Rock Salt

Black Shale

Potassium Feldspar

Potassium Feldspar

Metaconglomerate

Metaconglomerate

Green Marble

Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

Pumice (Pumicite (fine-grained pumice), Scoria (similar origin but denser and darker, usually basaltic)) — Igneous

Pumice

Pumicite (fine-grained pumice), Scoria (similar origin but denser and darker, usually basaltic)

Coarse Sandstone Pebble (Clastic Sedimentary Rock (Sandstone)) — sedimentary

Coarse Sandstone Pebble

Clastic Sedimentary Rock (Sandstone)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrite (Fools Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fools Gold)

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Vesicular Basalt (Vesicular Basalt) — igneous

Vesicular Basalt

Vesicular Basalt

Jasper (Microcrystalline Quartz (SiO2)) — mineral

Jasper

Microcrystalline Quartz (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz Sandstone (Quartz Arenite) — sedimentary

Quartz Sandstone

Quartz Arenite

Pyrite (Iron Pyrites) (Iron Sulfide (FeS2)) — mineral

Pyrite (Iron Pyrites)

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Yellow Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chrysocolla (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)) — mineral

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Sandstone (Graywacke) (Clastic Sedimentary Rock (Lithic Sandstone)) — sedimentary

Sandstone (Graywacke)

Clastic Sedimentary Rock (Lithic Sandstone)

Quartz (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Brecciated Jasper (Polished) (Silicon Dioxide (SiO2) with Iron Oxide Impurities) — sedimentary

Brecciated Jasper (Polished)

Silicon Dioxide (SiO2) with Iron Oxide Impurities

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Quartz (Citrine or Smoky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Smoky variety)

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide impurities

Chrysocolla (Hydrated copper silicates (Cu, Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Hydrated copper silicates (Cu, Al)2H2Si2O5(OH)4·nH2O

Man-made Slag (Industrial Byproduct) (Anthropogenic Glassy Residue) — not a natural rock

Man-made Slag (Industrial Byproduct)

Anthropogenic Glassy Residue

not a natural rock

Banded Onyx (Calcite Marble) (Calcite (CaCO3) - Trap-rock or Cave Onyx) — sedimentary

Banded Onyx (Calcite Marble)

Calcite (CaCO3) - Trap-rock or Cave Onyx

Asphalt (Bituminous Concrete) (Bituminous mix / Anthropogenic conglomerate) — man-made composite (lithified equivalent of sedimentary)

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

man-made composite (lithified equivalent of sedimentary)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz River Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz River Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chrysocolla (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)) — mineral

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)

Red Sandstone (Clastic Sedimentary Rock) — sedimentary

Red Sandstone

Clastic Sedimentary Rock

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Iron-stained Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — mineral

Iron-stained Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Graphite-veined Quartzite (Meta-sedimentary Quartzite with Carbonaceous/Graphitic Inclusions (SiO2 + C)) — metamorphic

Graphite-veined Quartzite

Meta-sedimentary Quartzite with Carbonaceous/Graphitic Inclusions (SiO2 + C)

Sandstone Pebble (Arenite (SiO2 based)) — sedimentary

Sandstone Pebble

Arenite (SiO2 based)

Red Jasper (Heliotrope family variant) (Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper (Heliotrope family variant)

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)