Rock Identifier

Category

Mineral (Primary Constituent)

Browse mineral (primary constituent) specimens identified by the Rock Identifier community.

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Granite Pebble (Granite (composition of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite Pebble

Granite (composition of Quartz, Alkali Feldspar, and Plagioclase)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Aragonite Star Cluster (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

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

Milky Quartz/Clear Quartz Cluster

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Porphyritic Andesite (Intermediate Volcanic Rock - Andesite) — Igneous

Porphyritic Andesite

Intermediate Volcanic Rock - Andesite

Quartz (Silicon dioxide (SiO2)) — Mineral

Quartz

Silicon dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Pegmatite (Granite Pegmatite) (Intrusive Igneous Rock (Granite Pegmatite)) — igneous

Pegmatite (Granite Pegmatite)

Intrusive Igneous Rock (Granite Pegmatite)

Mica (Biotite and Muscovite) in Matrix (Potassium aluminum silicate with iron/magnesium (KAl2(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(F,OH)2)) — igneous

Mica (Biotite and Muscovite) in Matrix

Potassium aluminum silicate with iron/magnesium (KAl2(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(F,OH)2)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Orthoclase Feldspar (Orthoclase (KAlSi₃O₈)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi₃O₈)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Orthoclase Feldspar (Potassium aluminum silicate (KAlSi3O8)) — mineral

Orthoclase Feldspar

Potassium aluminum silicate (KAlSi3O8)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

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

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

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

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Orthoclase Feldspar (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

Olivine (Peridotite) (Magnesium iron silicate (Mg, Fe)2SiO4) — igneous

Olivine (Peridotite)

Magnesium iron silicate (Mg, Fe)2SiO4