Rock Identifier

Category

Mineral (Or Mineraloid If Microcrystalline)

Browse mineral (or mineraloid if microcrystalline) specimens identified by the Rock Identifier community.

Learn about Mineral (Or Mineraloid If Microcrystalline) in the encyclopedia

Shungite

Flower Jasper

Feather Jasper

Dendritic Jasper

Blue Jasper

Sperrylite

Brookite

Leopard Skin Jasper

Leopard Skin Jasper

Banalsite

Black Shale

Garnierite

Wulfenite

Fossil Shark Tooth (Chondrichthyes (class)) — fossil

Fossil Shark Tooth

Chondrichthyes (class)

Shark Tooth Fossil (Otodus obliquus (or similar prehistoric lamniform shark tooth)) — fossil

Shark Tooth Fossil

Otodus obliquus (or similar prehistoric lamniform shark tooth)

Limonite (FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)) — mineral

Limonite

FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

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

Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Polished banded agate (likely laguna-style fortification agate) (Microcrystalline quartz, SiO₂; chalcedony with concentric bands) — mineral

Polished banded agate (likely laguna-style fortification agate)

Microcrystalline quartz, SiO₂; chalcedony with concentric bands

Concretion (Calcareous/Siliceous Concretion) — sedimentary

Concretion

Calcareous/Siliceous Concretion

Jasper (Chalcedony (Microcrystalline Quartz) - SiO2) — sedimentary or metamorphic

Jasper

Chalcedony (Microcrystalline Quartz) - SiO2

sedimentary or metamorphic

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

Quartz Pebble (Chert/Chalcedony)

Silicon Dioxide (SiO2)

Jasper with Hematite (Red Jasper) (Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)) — sedimentary (physico-chemical precipitate)

Jasper with Hematite (Red Jasper)

Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)

sedimentary (physico-chemical precipitate)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Limonite (Ironstone) pseudomorph (Limonite (Hydrous ferric oxide), FeO(OH)·nH2O) — mineral

Limonite (Ironstone) pseudomorph

Limonite (Hydrous ferric oxide), FeO(OH)·nH2O

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Agated Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Agated Chert

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with Goethite/Limonite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Chalcedony (Botryoidal Agate vein) (Chalcedony (Microcrystalline Quartz) - SiO2) — mineral

Chalcedony (Botryoidal Agate vein)

Chalcedony (Microcrystalline Quartz) - SiO2

Quartzite with Quartz Veins (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite with Quartz Veins

Metamorphic Quartzite (SiO2)

Marble (Recrystallized Calcite / Metamorphosed Limestone (CaCO3)) — metamorphic

Marble

Recrystallized Calcite / Metamorphosed Limestone (CaCO3)

Red jasper (likely polished/tumbled) (Jasper, microcrystalline quartz/chalcedony (SiO₂) colored by iron oxides) — mineral

Red jasper (likely polished/tumbled)

Jasper, microcrystalline quartz/chalcedony (SiO₂) colored by iron oxides

Tumbled jasper or chert (Microcrystalline quartz (SiO₂), likely jasper/chalcedony) — mineral

Tumbled jasper or chert

Microcrystalline quartz (SiO₂), likely jasper/chalcedony

Red jasper pebble (Microcrystalline quartz (SiO₂), colored by iron oxides) — mineral

Red jasper pebble

Microcrystalline quartz (SiO₂), colored by iron oxides

Chalcedony (Agate / Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Quartz Pebble)

Silicon Dioxide (SiO2)

Polished red jasper (Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper

Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Red jasper (likely polished/tumbled) (Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides) — mineral

Red jasper (likely polished/tumbled)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Red jasper pebble (Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides) — mineral

Red jasper pebble

Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides

Yellow Jasper (Silicon Dioxide (SiO2) with Iron Oxides) — mineral

Yellow Jasper

Silicon Dioxide (SiO2) with Iron Oxides

Polished brecciated jasper (Jasper, microcrystalline quartz (SiO₂), commonly containing hematite, goethite, and clay minerals) — mineral

Polished brecciated jasper

Jasper, microcrystalline quartz (SiO₂), commonly containing hematite, goethite, and clay minerals

Polished multicolored jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert) — mineral

Polished multicolored jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert

Chrysocolla in Jasper (Chryso-Jasper) (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)) — mineral

Chrysocolla in Jasper (Chryso-Jasper)

Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Geode (Unopened) (Siliceous Geode (SiO2)) — sedimentary

Geode (Unopened)

Siliceous Geode (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Copper Ore (Malachite and Limonite bearing rock) (Copper-bearing rock with secondary copper minerals) — mineral

Copper Ore (Malachite and Limonite bearing rock)

Copper-bearing rock with secondary copper minerals

Quartz Geode (Nodule) (Silicon Dioxide (SiO2)) — sedimentary or igneous

Quartz Geode (Nodule)

Silicon Dioxide (SiO2)

sedimentary or igneous

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

Quartz Geode

Crystalline Silicon Dioxide (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

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

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Agate (SiO2) — mineral

Agate

SiO2

Beach Pebble / Agate-bearing Chert Pebble (Microcrystalline Quartz (SiO2) with Inclusion Minerals) — sedimentary

Beach Pebble / Agate-bearing Chert Pebble

Microcrystalline Quartz (SiO2) with Inclusion Minerals

Red jasper (Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides) — metamorphic

Red jasper

Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides