Rock Identifier

Category

Mineral (Native Element)

Browse mineral (native element) specimens identified by the Rock Identifier community.

Learn about Mineral (Native Element) in the encyclopedia

Sulfur

Carbonatite

Euxenite

Amethyst (SiO2 (Silicon Dioxide)) — mineral

Amethyst

SiO2 (Silicon Dioxide)

Beryl (likely Pink/Morganite variety) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Pink/Morganite variety)

Beryllium aluminum silicate (Be3Al2Si6O18)

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

Eudialyte (Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)) — mineral

Eudialyte

Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)

Petrified Wood (Silicified Wood (primarily SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily SiO2)

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Iron-stained Quartz (Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)) — mineral

Iron-stained Quartz

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

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

Eudialyte

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

Dyed Agate Slice (Silicon Dioxide (SiO2)) — mineral

Dyed Agate Slice

Silicon Dioxide (SiO2)

Aquamarine (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Aquamarine

Beryllium aluminum silicate (Be3Al2Si6O18)

Amethyst (Tumbled Stone) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Tumbled Stone)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Amethyst (Rough) (Quartz, SiO2) — mineral

Amethyst (Rough)

Quartz, SiO2

Amethyst Geode (Silicon dioxide (SiO2) with iron impurities) — mineral

Amethyst Geode

Silicon dioxide (SiO2) with iron impurities

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

Amethyst (Chevron Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Basalt (Basalt) — Igneous

Basalt

Basalt

River Cobble (likely Sandstone or Siltstone type) (Sandstone or Siltstone (common rock types that form river cobbles)) — Sedimentary Rock (specifically a clastic sedimentary rock formed into a cobble)

River Cobble (likely Sandstone or Siltstone type)

Sandstone or Siltstone (common rock types that form river cobbles)

Sedimentary Rock (specifically a clastic sedimentary rock formed into a cobble)

Petrified Wood (Silicified Wood (Per mineral content: SiO2, Quartz/Chalcedony)) — fossil

Petrified Wood

Silicified Wood (Per mineral content: SiO2, Quartz/Chalcedony)

Amethyst (Quartz (SiO2)) — gemstone

Amethyst

Quartz (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese) — gemstone

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese

Silicon Carbide (Carborundum) (Silicon Carbide (SiC)) — mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Amethyst (Quartz (Silicon Dioxide, SiO2)) — gemstone

Amethyst

Quartz (Silicon Dioxide, SiO2)

Amazonite (Microcline feldspar (KAlSi3O8)) — mineral

Amazonite

Microcline feldspar (KAlSi3O8)

Lepidolite on Quartz (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)) — mineral

Lepidolite on Quartz

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Amethyst (Silicon Dioxide (SiO2) with traces of Iron (Fe3+)) — mineral

Amethyst

Silicon Dioxide (SiO2) with traces of Iron (Fe3+)

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

Amethyst

Quartz (Silicon Dioxide with Iron impurities), SiO2

Amethyst (Amethyst (Silicon Dioxide SiO2 + Fe4+)) — mineral

Amethyst

Amethyst (Silicon Dioxide SiO2 + Fe4+)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Pegmatite (Coarse-grained Igneous Rock (Granitic Pegmatite)) — igneous

Pegmatite

Coarse-grained Igneous Rock (Granitic Pegmatite)

Amethyst Geode (Quartz (SiO2)) — mineral

Amethyst Geode

Quartz (SiO2)

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

Amethyst Geode

Silicon Dioxide (SiO2) with iron impurities

Blue Quartz (Dumortierite Quartz) (SiO2 with inclusions of AlAl6BSi3O18) — mineral

Blue Quartz (Dumortierite Quartz)

SiO2 with inclusions of AlAl6BSi3O18

Gold Flakes (Placer Gold) (Gold (Au)) — mineral

Gold Flakes (Placer Gold)

Gold (Au)

Lepidolite in Quartz Matrix (Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2) in Quartz (SiO2) matrix) — igneous

Lepidolite in Quartz Matrix

Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2) in Quartz (SiO2) matrix

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Manganese Nodule (Polymetallic Nodule (Hydrous manganese and iron oxides)) — mineral

Manganese Nodule

Polymetallic Nodule (Hydrous manganese and iron oxides)

Rose Quartz (Rose Quartz (SiO2 with trace Ti, Fe, or Mn)) — mineral

Rose Quartz

Rose Quartz (SiO2 with trace Ti, Fe, or Mn)

Morganite and Aquamarine (Beryl) Bracelet (Beryllium aluminum silicate, Be3Al2(SiO3)6) — gemstone

Morganite and Aquamarine (Beryl) Bracelet

Beryllium aluminum silicate, Be3Al2(SiO3)6

Obsidian (Obsidian (Amorphous volcanic glass, SiO2 with impurities)) — igneous

Obsidian

Obsidian (Amorphous volcanic glass, SiO2 with impurities)

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

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

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

Amethyst

Amethyst (Silicon Dioxide, SiO2)