Rock Identifier

Category

Mineral (Processed Metal)

Browse mineral (processed metal) specimens identified by the Rock Identifier community.

Blue Banded Agate (Dyed) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - Chalcedony variety

Black Tourmaline (Schorl) (Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH) — mineral

Black Tourmaline (Schorl)

Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH

Amethyst (Druzy Quartz) (Amethyst (Silicon Dioxide - SiO2 with iron impurities)) — mineral

Amethyst (Druzy Quartz)

Amethyst (Silicon Dioxide - SiO2 with iron impurities)

Quartz with Iron Staining (Silicon Dioxide (SiO2) with Hematite/Limonite inclusions) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2) with Hematite/Limonite inclusions

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Sugilite (Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)) — mineral

Sugilite

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Geode-like) (Silicon Dioxide (SiO2)) — Mineral

Quartz Pebble (Geode-like)

Silicon Dioxide (SiO2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Green Moss Agate (Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite) — sedimentary

Green Moss Agate

Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix) — Metamorphic or Igneous (context dependent)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix

Metamorphic or Igneous (context dependent)

Larimar (Pectolite (a variety of pectolite, NaCa2Si3O8(OH))) — Mineral

Larimar

Pectolite (a variety of pectolite, NaCa2Si3O8(OH))

Gneiss (Gneiss (High-grade metamorphic rock composed primarily of Quartz, Feldspar, and various Micas)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock composed primarily of Quartz, Feldspar, and various Micas)

Fluorite (Rainbow Fluorite) (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite (Rainbow Fluorite)

Fluorite (Calcium Fluoride, CaF2)

Banded Gneiss with Quartz Vein (Foliated Metamorphic Rock (Gneiss)) — metamorphic

Banded Gneiss with Quartz Vein

Foliated Metamorphic Rock (Gneiss)

Pearl (Calcium Carbonate (CaCO3) with Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) with Conchiolin

Chevron Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Chevron Amethyst

Silicon Dioxide (SiO2) with iron impurities

Glass (Amorphous Silicon Dioxide (SiO2)) — mineraloid

Glass

Amorphous Silicon Dioxide (SiO2)

Septarian Nodule (Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)) — sedimentary

Septarian Nodule

Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Sandstone (Ferruginous) (Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)

Sandstone (Quartzose Pebble) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Pebble)

Clastic sedimentary rock (primarily SiO2)

Green Slag Glass (Cullet (Amorphous Silicon Dioxide with impurities)) — Man-made rock-like material

Green Slag Glass

Cullet (Amorphous Silicon Dioxide with impurities)

Man-made rock-like material

Gold (Gold (Au)) — Mineral

Gold

Gold (Au)

Chert (concretionary/nodular variant) (Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions) — sedimentary

Chert (concretionary/nodular variant)

Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions

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

Granite

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

Granitic Gravel Piece (Granite (Felsic Plutonic Rock / SiO2 with Al2O3, K2O, Na2O)) — igneous

Granitic Gravel Piece

Granite (Felsic Plutonic Rock / SiO2 with Al2O3, K2O, Na2O)

Pearl (Pearl (Calcium Carbonate with organic conchiolin, CaCO3)) — mineral

Pearl

Pearl (Calcium Carbonate with organic conchiolin, CaCO3)

Green Fluorite in Host Rock (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite in Host Rock

Fluorite (Calcium Fluoride, CaF2)

Blue Cracked Quartz (Dyed Fire Crackle Quartz) (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Moss Agate (Chalcedony (Silicon Dioxide with inclusions) - SiO2) — mineral

Moss Agate

Chalcedony (Silicon Dioxide with inclusions) - SiO2

Milky Quartz Vein with Matrix (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Vein with Matrix

Silicon Dioxide (SiO2)

Quartz nodule (River pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz nodule (River pebble)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Specular Hematite Geode/Nodule (Specularite (Polycrystalline Hematite), Fe2O3) — mineral

Specular Hematite Geode/Nodule

Specularite (Polycrystalline Hematite), Fe2O3

Orange Quartz (Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Milky Quartz with Chlorite/Moss Infusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Chlorite/Moss Infusions

Silicon Dioxide (SiO2)

Rhodonite (Manganese Silicate (Mn, Fe, Mg, Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn, Fe, Mg, Ca)SiO3

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

Quartz (Milky/River Quartz)

Silicon Dioxide (SiO2)