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

Veined Pebble (likely a Quartz-Veined Pebble) (Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)) — Sedimentary Rock (possibly conglomerate or breccia with a quartz vein)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Sedimentary Rock (possibly conglomerate or breccia with a quartz vein)

Rose Quartz (Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Granite (Phaneritic Plutonic Felsic Rock (Granite)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (Granite)

Turquoise (Rough Specimens) (Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise (Rough Specimens)

Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

Peacock Ore (Chalcopyrite/Bornite) (Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)) — Mineral

Peacock Ore (Chalcopyrite/Bornite)

Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)

Chrysocolla (Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O) — Mineral

Chrysocolla

Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Ferruginous Sandstone (with possible Epidote/Chlorite coloring) (Sandstone (SiO2 dominated with Fe2O3 staining)) — sedimentary

Ferruginous Sandstone (with possible Epidote/Chlorite coloring)

Sandstone (SiO2 dominated with Fe2O3 staining)

Limonite with Quartz (Gossan) (Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)) — Mineral

Limonite with Quartz (Gossan)

Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)

Fuchsite (Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Fossil Shark Tooth (Carcharodon sp. (likely Otodus or similar Lamniformes order)) — sedimentary

Fossil Shark Tooth

Carcharodon sp. (likely Otodus or similar Lamniformes order)

Eudialyte (Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2) — mineral

Eudialyte

Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2

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

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

Amethyst (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Limonite Pseudomorph after Pyrite (Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)) — mineral

Limonite Pseudomorph after Pyrite

Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)

Granite Pebble (Granite (composed primarily of Quartz, Feldspar, and Mica)) — igneous

Granite Pebble

Granite (composed primarily of Quartz, Feldspar, and Mica)

Blue Topaz (Topaz [Al2SiO4(F,OH)2]) — mineral

Blue Topaz

Topaz [Al2SiO4(F,OH)2]

Granite (Granite (a felsic intrusive igneous rock)) — Igneous Rock

Granite

Granite (a felsic intrusive igneous rock)

Sandstone (likely Arkosic or Lithic Sandstone) (Arenite (SiO2 based with mineral inclusions)) — sedimentary

Sandstone (likely Arkosic or Lithic Sandstone)

Arenite (SiO2 based with mineral inclusions)

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

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

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Beryl (likely Emerald or Aquamarine in matrix) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Emerald or Aquamarine in matrix)

Beryllium aluminum silicate (Be3Al2Si6O18)

Greenstone / Greenschist (Chlorite schist / Epidiorite) — metamorphic

Greenstone / Greenschist

Chlorite schist / Epidiorite

Pyrite (on Quartz/Host Rock) (Iron Sulfide (FeS₂)) — mineral

Pyrite (on Quartz/Host Rock)

Iron Sulfide (FeS₂)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Blue Quartzite (Dyed) (Silicon Dioxide (SiO2) with inclusions) — metamorphic

Blue Quartzite (Dyed)

Silicon Dioxide (SiO2) with inclusions

Quartz pebble (Silicon Dioxide (SiO2)) — mineral

Quartz pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — Mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Limonite (Iron Ore/Sandstone mixture) (Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix) — mineral

Limonite (Iron Ore/Sandstone mixture)

Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Quartz (Iron-stained or Rose variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained or Rose variant)

Silicon Dioxide (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

White Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Jasper (specifically Polychrome or Desert Jasper) (Silicon Dioxide with impurities (SiO2)) — Mineral

Jasper (specifically Polychrome or Desert Jasper)

Silicon Dioxide with impurities (SiO2)

Quartz / Quartzite (Quartz (Silicon Dioxide, SiO2)) — metamorphic

Quartz / Quartzite

Quartz (Silicon Dioxide, SiO2)

Quartz in Matrix (possibly with Biotite or Hornblende) (Quartz (Silicon Dioxide, SiO2) in Granitic Matrix) — igneous

Quartz in Matrix (possibly with Biotite or Hornblende)

Quartz (Silicon Dioxide, SiO2) in Granitic Matrix

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Quartz / Calcite Vein Rock (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)) — mineral

Quartz / Calcite Vein Rock

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)