Rock Identifier

Category

Mineral On Sedimentary Rock

Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.

Chert (varietal Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (varietal Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

sedimentary
Chalk (CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock) — Sedimentary

Chalk

CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock

Sedimentary
Septarian Nodule (Dragon Stone) sphere (Septarian concretion (Calcite, Aragonite, and Limestone)) — sedimentary

Septarian Nodule (Dragon Stone) sphere

Septarian concretion (Calcite, Aragonite, and Limestone)

sedimentary
Sandstone (Arenite (primarily SiO2 with iron oxide cementation)) — sedimentary

Sandstone

Arenite (primarily SiO2 with iron oxide cementation)

sedimentary
Quartz Geode/Druzy Quartz (Quartz (SiO₂)) — Mineral

Quartz Geode/Druzy Quartz

Quartz (SiO₂)

Mineral
Schist (Schist (metamorphic rock)) — metamorphic

Schist

Schist (metamorphic rock)

metamorphic
Labradorite (tumbled) (Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)) — Mineral

Labradorite (tumbled)

Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)

Mineral
Serpentine (Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4) — metamorphic

Serpentine

Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

metamorphic
Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

mineral
Epidote in Quartz (Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)) — Mineral

Epidote in Quartz

Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)

Mineral
Quartz Geode/Cluster (Quartz (SiO2)) — mineral

Quartz Geode/Cluster

Quartz (SiO2)

mineral
Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2)) — Sedimentary Rock

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2)

Sedimentary Rock
Gold Nugget / Gold-bearing Quartz (Native Gold (Au)) — mineral

Gold Nugget / Gold-bearing Quartz

Native Gold (Au)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Banded Calcite (Tumbled) (Calcium Carbonate (CaCO3)) — Mineral

Banded Calcite (Tumbled)

Calcium Carbonate (CaCO3)

Mineral
Slickenside (Tectonic Fault Scarp Surface) — metamorphic

Slickenside

Tectonic Fault Scarp Surface

metamorphic
Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

sedimentary
Chert with Desert Varnish (Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating) — sedimentary

Chert with Desert Varnish

Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating

sedimentary
Greenstone / Glauconitic Siltstone (Metabasalt or Glauconite-rich Sedimentary Rock) — metamorphic or sedimentary

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

metamorphic or sedimentary
Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

mineral
Gneiss (Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)) — metamorphic

Gneiss

Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)

metamorphic
Hag Stone (Piddock bored rock) (Calcareous sedimentary rock featuring Pholadidae borings) — sedimentary

Hag Stone (Piddock bored rock)

Calcareous sedimentary rock featuring Pholadidae borings

sedimentary
Ironstone (Limonitic Shale) (Ferruginous Siltstone / Goethite-rich Sedimentary Rock) — sedimentary

Ironstone (Limonitic Shale)

Ferruginous Siltstone / Goethite-rich Sedimentary Rock

sedimentary
Quartz Vein in Host Rock (Hydrothermal Quartz (SiO2) in Slates/Schists) — metamorphic

Quartz Vein in Host Rock

Hydrothermal Quartz (SiO2) in Slates/Schists

metamorphic
Jasper (Yellow/Brown variety) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper (Yellow/Brown variety)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

sedimentary
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

igneous
Vesicular Basalt with Epidote (Vesicular Basalt (Mg, Fe)2SiO4 with Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))) — igneous

Vesicular Basalt with Epidote

Vesicular Basalt (Mg, Fe)2SiO4 with Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

igneous
Agate (Agate (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Mineral
Granitic Pegmatite (Pegmatitic Granite) — igneous

Granitic Pegmatite

Pegmatitic Granite

igneous
Slate with Red Sandstone Landscaping Rock (Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone) — metamorphic and sedimentary

Slate with Red Sandstone Landscaping Rock

Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone

metamorphic and sedimentary
Calcite (Calcite (CaCO₃, Calcium Carbonate)) — Mineral

Calcite

Calcite (CaCO₃, Calcium Carbonate)

Mineral
Chert / Flint (Cryptocrystalline Quartz (Silicon Dioxide, SiO2)) — sedimentary

Chert / Flint

Cryptocrystalline Quartz (Silicon Dioxide, SiO2)

sedimentary
Black Opal (Hydrated silica (SiO2·nH2O)) — mineraloid

Black Opal

Hydrated silica (SiO2·nH2O)

mineraloid
Chert (specifically Flint or Dark Chert) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Dark Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Mookaite Jasper (Silicon Dioxide (SiO2) - Radiolarite) — sedimentary

Mookaite Jasper

Silicon Dioxide (SiO2) - Radiolarite

sedimentary
Chert (Nodular) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Nodular)

Microcrystalline Silica (SiO2)

sedimentary
Chert (Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2)

sedimentary
Chert (Flint) (Chert (predominantly SiO₂ - silicon dioxide)) — sedimentary

Chert (Flint)

Chert (predominantly SiO₂ - silicon dioxide)

sedimentary
Leopardskin Jasper (Jasper (a variety of microcrystalline Quartz)) — Sedimentary

Leopardskin Jasper

Jasper (a variety of microcrystalline Quartz)

Sedimentary
Dalmatian Stone (Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock) — igneous

Dalmatian Stone

Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock

igneous