Rock Identifier

Category

Mineral, Possibly Rock Fragment Containing A Mineral

Browse mineral, possibly rock fragment containing a mineral specimens identified by the Rock Identifier community.

Copper Ore with Malachite and Chrysocolla (Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)) — mineral

Copper Ore with Malachite and Chrysocolla

Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

mineral
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

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

Clear Quartz

Silicon Dioxide (SiO2)

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

Rose Quartz

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

mineral
Granodiorite (Granodiorite (calc-alkaline phaneritic igneous rock)) — igneous

Granodiorite

Granodiorite (calc-alkaline phaneritic igneous rock)

igneous
Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

metamorphic
Garnet Schist (Almandine Garnet-Mica Schist (X₃Y₂(SiO₄)₃)) — metamorphic

Garnet Schist

Almandine Garnet-Mica Schist (X₃Y₂(SiO₄)₃)

metamorphic
Dalmatian Stone (Peralkaline rhyolite with arfvedsonite (formerly incorrectly called Dalmatian Jasper)) — igneous

Dalmatian Stone

Peralkaline rhyolite with arfvedsonite (formerly incorrectly called Dalmatian Jasper)

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

Granite Pebble (River Rock)

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

igneous
Glauconitic Sandstone (Greensand) (Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2) — sedimentary

Glauconitic Sandstone (Greensand)

Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

mineral
Turquoise (Turquoise (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)

mineral
Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride - CaF2)

mineral
Tree Agate (also known as Dendritic Agate) (Silicon Dioxide with inclusions (SiO2 + Mn/Fe)) — mineral

Tree Agate (also known as Dendritic Agate)

Silicon Dioxide with inclusions (SiO2 + Mn/Fe)

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Mica Schist

Schist (Biotite/Muscovite rich)

metamorphic
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Slag (Anthropogenic Iron Silicate Glass) — mineral

Slag

Anthropogenic Iron Silicate Glass

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

Clear Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz (Druzy)

Crystalline Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Granite (Granite (phaneritic intrusive igneous rock consisting of quartz, feldspar, and mica)) — igneous

Granite

Granite (phaneritic intrusive igneous rock consisting of quartz, feldspar, and mica)

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

Granite

Granite (Felsic Plutonic Rock)

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

Granite

Granite (Felsic Plutonic Rock)

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

Granite

Granite (Felsic Plutonic Rock)

igneous
Moldavite (Moldavite (Siliceous vitreous substance)) — tektite (natural glass)

Moldavite

Moldavite (Siliceous vitreous substance)

tektite (natural glass)
Vesicular Basalt (Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)) — igneous

Vesicular Basalt

Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)

igneous
Limonite (Yellow Ochre) (FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)) — Mineral (Iron Ore)

Limonite (Yellow Ochre)

FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)

Mineral (Iron Ore)
Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Specular Hematite (Iron Oxide (Fe2O3)) — mineral

Specular Hematite

Iron Oxide (Fe2O3)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Grey Agate (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Grey Agate (Tumbled)

Silicon Dioxide (SiO2)

mineral
Quartz Vein in Host Rock (Pebble) (Quartz (SiO2) with sandstone or siltstone matrix) — metamorphic/igneous transition

Quartz Vein in Host Rock (Pebble)

Quartz (SiO2) with sandstone or siltstone matrix

metamorphic/igneous transition
Prehnite (Prehnite Ca2Al2Si3O10(OH)2) — mineral

Prehnite

Prehnite Ca2Al2Si3O10(OH)2

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral
Kambaba Jasper (Stromatolite / Fossilized Algae (Rhyolitic structure)) — sedimentary

Kambaba Jasper

Stromatolite / Fossilized Algae (Rhyolitic structure)

sedimentary
Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

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

Clear Quartz

Crystalline Silicon Dioxide (SiO2)

mineral
Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

igneous
Granite (Phaneritic Granocrystalline Igneous Rock) — igneous

Granite

Phaneritic Granocrystalline Igneous Rock

igneous
Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

mineral