Rock Identifier

Category

Mineral Based Alloy (Anthropogenic)

Browse mineral based alloy (anthropogenic) specimens identified by the Rock Identifier community.

Learn about Mineral Based Alloy (Anthropogenic) in the encyclopedia

Sard

Sard

White Obsidian

White Obsidian

Glauconite

Glauconite

Halite

Halite

Hutcheonite

Hutcheonite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Eltyubyuite

Eltyubyuite

Coquina with Shell Fragment (Bioclastic Limestone (composed primarily of CaCO3)) — sedimentary

Coquina with Shell Fragment

Bioclastic Limestone (composed primarily of CaCO3)

Basalt (Basalt (dominated by plagioclase feldspar, pyroxene, and olivine)) — igneous

Basalt

Basalt (dominated by plagioclase feldspar, pyroxene, and olivine)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Fossiliferous Limestone (Biogenic Calcium Carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Calcium Carbonate (CaCO3)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Vesicular Basalt (Aphanitic Mafic Igneous Rock (with vesicles)) — igneous

Vesicular Basalt

Aphanitic Mafic Igneous Rock (with vesicles)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Basalt (Beach Pebble) (Basalt (extrusive volcanic rock)) — igneous

Basalt (Beach Pebble)

Basalt (extrusive volcanic rock)

Diorite (Diorite (an intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (an intermediate intrusive igneous rock)

Fossiliferous Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone

Calcium Carbonate (CaCO3)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

Porphyritic Basalt (Aphanitic-porphyritic mafic volcanic rock) — igneous

Porphyritic Basalt

Aphanitic-porphyritic mafic volcanic rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (River Stone) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt (River Stone)

Basalt (Mafic Extrusive Igneous Rock)

Coquina (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Coquina

Biogenic Limestone (Calcium Carbonate, CaCO3)

Jasper with Cinnabar (Dragon Blood Jasper variant) (Silicon Dioxide with Mercury Sulfide (SiO2 + HgS)) — sedimentary

Jasper with Cinnabar (Dragon Blood Jasper variant)

Silicon Dioxide with Mercury Sulfide (SiO2 + HgS)

Serpentine (Serpentine (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4) — metamorphic

Serpentine

Serpentine (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Basalt with Plagioclase Feldspar (Basalt (mafic extrusive igneous rock) with plagioclase feldspar phenocrysts) — Igneous

Basalt with Plagioclase Feldspar

Basalt (mafic extrusive igneous rock) with plagioclase feldspar phenocrysts

Strawberry Quartz (Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions) — Mineral

Strawberry Quartz

Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions

Basalt with Magnetite (Crystalline Basalt (Primarily Plagioclase and Pyroxene) with Magnetite (Fe3O4)) — igneous

Basalt with Magnetite

Crystalline Basalt (Primarily Plagioclase and Pyroxene) with Magnetite (Fe3O4)

Mica Schist (Mica Schist (primarily Muscovite or Biotite)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite)

Basalt Porphyry (Porphyritic Basalt) — igneous

Basalt Porphyry

Porphyritic Basalt

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Glauconitic Sandstone (or Greensand) (Glauconitic Siliciclastic Rock (Containing (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconitic Sandstone (or Greensand)

Glauconitic Siliciclastic Rock (Containing (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)

Glauconitic Sandstone (Glauconitic arenite (contains (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconitic Sandstone

Glauconitic arenite (contains (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Greywacke with Quartz Veins (Lithic Wacke (SiO2 enriched)) — sedimentary

Greywacke with Quartz Veins

Lithic Wacke (SiO2 enriched)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Gray Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Gray Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Chert / Flint (Silicon Dioxide (SiO2)) — sedimentary

Chert / Flint

Silicon Dioxide (SiO2)