Rock Identifier

Category

Mineral Health

Browse mineral health specimens identified by the Rock Identifier community.

Learn about Mineral Health in the encyclopedia

Glauconite

Glauconite

Hutcheonite

Hutcheonite

Halite

Halite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Dolomite

Dolomite

Buergerite

Buergerite

Eltyubyuite

Eltyubyuite

Quartz on Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz on Host Rock

Silicon Dioxide (SiO2)

Granite (Granite (a common name for a felsic intrusive igneous rock)) — Igneous Rock

Granite

Granite (a common name for a felsic intrusive igneous rock)

Greenstone (Chlorite schist or metabasalt depending on specific composition) — Metamorphic

Greenstone

Chlorite schist or metabasalt depending on specific composition

Rose Quartz (Quartz (SiO₂), variety Rose Quartz) — Mineral

Rose Quartz

Quartz (SiO₂), variety Rose Quartz

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Marble (Carrara Marble style) (Recrystallized Calcite (CaCO3)) — metamorphic

Marble (Carrara Marble style)

Recrystallized Calcite (CaCO3)

Pink Polished Marble (or Limestone) Pillar (Recrystallized Calcium Carbonate (CaCO3)) — metamorphic

Pink Polished Marble (or Limestone) Pillar

Recrystallized Calcium Carbonate (CaCO3)

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

Marble

Recrystallized Calcite (CaCO3) / Marble

Mica Schist (Schist (Biotite/Muscovite rich)) — metamorphic

Mica Schist

Schist (Biotite/Muscovite rich)

Aventurine (Green) (Silicon Dioxide (Quartz with inclusions of Fuchsite)) — metamorphic

Aventurine (Green)

Silicon Dioxide (Quartz with inclusions of Fuchsite)

Rough Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Ametrine (Silicon Dioxide (SiO2) with impurities of iron) — mineral

Ametrine

Silicon Dioxide (SiO2) with impurities of iron

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

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

Clear Quartz

Crystalline Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz / Rock Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz / Rock Crystal

Silicon Dioxide (SiO2)

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Ferruginous Quartz (Iron-stained Quartz) (Silicon Dioxide (SiO2) with iron oxide inclusions/staining (Limonite/Hematite)) — Mineral

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions/staining (Limonite/Hematite)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Manganese-coated Sandstone (Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)) — sedimentary

Manganese-coated Sandstone

Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)

Green Aventurine (Silicon dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon dioxide (SiO2) with Fuchsite inclusions

Flower Agate (Chalcedony with Opaque Spherulitic Inclusions (SiO2)) — Mineral

Flower Agate

Chalcedony with Opaque Spherulitic Inclusions (SiO2)

Tree Agate (Dendritic Agate (Silicon Dioxide - SiO2)) — mineral

Tree Agate

Dendritic Agate (Silicon Dioxide - SiO2)

Pink Granite (with Potassic Feldspar and Quartz) (Felsic Intrusive Igneous Rock (Granite)) — igneous

Pink Granite (with Potassic Feldspar and Quartz)

Felsic Intrusive Igneous Rock (Granite)

Orange Calcite (Calcite (CaCO3)) — Mineral

Orange Calcite

Calcite (CaCO3)

Granite (Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Quartz (Druzy) in host rock (SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)) — Mineral

Quartz (Druzy) in host rock

SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)

Greenstone / Greenschist (Greenschist (containing Chlorite, Epidote, Actinolite)) — metamorphic

Greenstone / Greenschist

Greenschist (containing Chlorite, Epidote, Actinolite)

Lepidolite (likely) (K(Li,Al)3(Al,Si)4O10(F,OH)2 (Phyllosilicate mineral, part of the mica group)) — Mineral

Lepidolite (likely)

K(Li,Al)3(Al,Si)4O10(F,OH)2 (Phyllosilicate mineral, part of the mica group)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Amber (Succinate (Fossilized Resin)) — mineral

Amber

Succinate (Fossilized Resin)

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

Quartz

Quartz (Silicon Dioxide, SiO2)

Obsidian (Obsidian (Volcanic Glass, SiO2 + impurity)) — igneous

Obsidian

Obsidian (Volcanic Glass, SiO2 + impurity)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Obsidian (Volcanic glass (SiO2 + impurities)) — igneous

Obsidian

Volcanic glass (SiO2 + impurities)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky/Crystalline variety)

Silicon Dioxide (SiO2)