Rock Identifier

Category

Igneous (Anthropogenic)

Browse igneous (anthropogenic) specimens identified by the Rock Identifier community.

Learn about Igneous (Anthropogenic) in the encyclopedia

Carbonatite

Lamproite

Troctolite

Basalt

Gabbro

Kimberlite

Diorite

Norite

Pyroxenite

Migmatite

Granite

Dalmatian Jasper

Dalmatian Jasper

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Diorite (Dalmatian Stone) (Phaneritic Plutonic Diorite) — igneous

Diorite (Dalmatian Stone)

Phaneritic Plutonic Diorite

Granite (Granite (Mainly Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Mainly Quartz, Feldspar, and Mica)

Plagioclase Feldspar (specifically Albite/Oligoclase) ((Na,Ca)(Si,Al)4O8) — mineral

Plagioclase Feldspar (specifically Albite/Oligoclase)

(Na,Ca)(Si,Al)4O8

Quartz (Smoky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Clear variety)

Silicon Dioxide (SiO2)

Porphyritic Basalt or Porphyry (Porphyritic Igneous Rock) — igneous

Porphyritic Basalt or Porphyry

Porphyritic Igneous Rock

Porphyritic Andesite/Basalt or Diorite River Rock (Porphyritic Igneous Rock) — Igneous

Porphyritic Andesite/Basalt or Diorite River Rock

Porphyritic Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Rounded granite cobble (Granite, a coarse-grained felsic intrusive igneous rock composed mainly of quartz, potassium feldspar, plagioclase, and minor mica or amphibole) — igneous

Rounded granite cobble

Granite, a coarse-grained felsic intrusive igneous rock composed mainly of quartz, potassium feldspar, plagioclase, and minor mica or amphibole

André Landed Here Rock (Glacial Erratic) (Granodiorite / Diorite (compositional estimate)) — igneous

André Landed Here Rock (Glacial Erratic)

Granodiorite / Diorite (compositional estimate)

Biotite (Black Mica) (K(Mg,Fe)3AlSi3O10(OH,F)2) — mineral

Biotite (Black Mica)

K(Mg,Fe)3AlSi3O10(OH,F)2

Porphyry (Porphyritic Igneous Rock) — igneous

Porphyry

Porphyritic Igneous Rock

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Rose Quartz (Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)

White Topaz (Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2) — mineral

White Topaz

Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2

Porphyry (Porphyritic Basalt / Porphyritic Andesite) (Porphyritic Igneous Rock) — igneous

Porphyry (Porphyritic Basalt / Porphyritic Andesite)

Porphyritic Igneous Rock

Pyrite in Quartz Matrix (Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)) — mineral

Pyrite in Quartz Matrix

Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)

Granite (Granite (plutonic igneous rock)) — igneous

Granite

Granite (plutonic igneous rock)

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

Milky Quartz with Iron Staining

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 (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)

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

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Porphyry (Porphyritic Igneous Rock) — igneous

Porphyry

Porphyritic Igneous Rock

Diorite (Diorite) — igneous

Diorite

Diorite

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Moonstone (Orthoclase (KAlSi3O8)) — mineral

Moonstone

Orthoclase (KAlSi3O8)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Labradorite rough fragment ((Ca,Na)[Al,Si]A̲₁O₈) — mineral

Labradorite rough fragment

(Ca,Na)[Al,Si]A̲₁O₈

Pink Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

Granite Pebble (Felsic Intrusive Igneous Rock) — igneous

Granite Pebble

Felsic Intrusive Igneous Rock

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz with Orthoclase Feldspar (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Quartz with Orthoclase Feldspar

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)

Granite Boulder (Glacial Erratic) (Granite) — igneous

Granite Boulder (Glacial Erratic)

Granite

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Epidote-bearing Granite (Unakite-like) (Epidotized Granite) — igneous

Epidote-bearing Granite (Unakite-like)

Epidotized Granite

Dalmatian Stone (Aplite (often incorrectly called Dalmatian Jasper)) — igneous

Dalmatian Stone

Aplite (often incorrectly called Dalmatian Jasper)