Rock Identifier

Category

Mineral Like Byproduct

Browse mineral like byproduct specimens identified by the Rock Identifier community.

Learn about Mineral Like Byproduct in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Garden Quartz

Ribbon Jasper

Sagenite Agate

Leopard Skin Jasper

Leopard Skin Jasper

Flower Jasper

Feather Jasper

Dendritic Opal

Starburst Agate

Plume Agate

Feather Agate

Moss Opal

Chrysocolla (Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O

Chrysocolla (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)) — mineral

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)

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

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

Blue Aventurine (Quartz (SiO2) with inclusions) — mineral

Blue Aventurine

Quartz (SiO2) with inclusions

Concretion (Septarian Concretion) — sedimentary

Concretion

Septarian Concretion

Mahogany Obsidian (Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions) — igneous

Mahogany Obsidian

Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions

Sandstone (Banded) (Arenite) — sedimentary

Sandstone (Banded)

Arenite

Lepidolite (K(Li,Al)3(Al,Si,V)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,V)4O10(F,OH)2

Quartz (Citrine/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine/Milky variety)

Silicon Dioxide (SiO2)

Limonite (FeO(OH)•nH2O) — mineral

Limonite

FeO(OH)•nH2O

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone) (Silicified limestone or banded sedimentary rock with mineral veins) — sedimentary

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)

Silicified limestone or banded sedimentary rock with mineral veins

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock

Sandstone (Quartzose Sandstone) — sedimentary

Sandstone

Quartzose Sandstone

Likely fossilized tooth fragment (Indeterminate vertebrate tooth; species cannot be identified from the image) — fossil

Likely fossilized tooth fragment

Indeterminate vertebrate tooth; species cannot be identified from the image

Botryoidal calcite (likely calcite concretion) (Calcite, calcium carbonate (CaCO₃)) — mineral

Botryoidal calcite (likely calcite concretion)

Calcite, calcium carbonate (CaCO₃)

Fossilized tooth, likely shark tooth (Fossilized selachian tooth; possibly a worn Otodus or related shark tooth) — fossil

Fossilized tooth, likely shark tooth

Fossilized selachian tooth; possibly a worn Otodus or related shark tooth

Sandstone (River Cobble) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

Blue Apatite (Apatite, Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Green Apatite on Albite (Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]) — mineral

Green Apatite on Albite

Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]

Green Aventurine (Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2) — metamorphic

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Conglomerate (Conglomerate rock) — sedimentary

Conglomerate

Conglomerate rock

Granitic Gneiss (Gneiss (Complex silicate composition)) — metamorphic

Granitic Gneiss

Gneiss (Complex silicate composition)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Barite Rose (Barium Sulfate (BaSO4)) — mineral

Barite Rose

Barium Sulfate (BaSO4)

Serpentinite (Serpentinite (Hydrated magnesium iron silicate)) — metamorphic

Serpentinite

Serpentinite (Hydrated magnesium iron silicate)

Limonite Concretion (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O) — sedimentary

Limonite Concretion

Hydrated iron oxide-hydroxide, FeO(OH)·nH2O

Green Aventurine (Quartz with fuchsite inclusions (SiO2)) — mineral

Green Aventurine

Quartz with fuchsite inclusions (SiO2)

Obsidian (Volcanic Glass) — igneous

Obsidian

Volcanic Glass

Limonite Concretion (Hydrated Iron Oxide-Hydroxide (FeO(OH)·n H₂O)) — mineral

Limonite Concretion

Hydrated Iron Oxide-Hydroxide (FeO(OH)·n H₂O)

Gray rock (possibly basalt or fine-grained granite) (Undetermined; no diagnostic minerals are visible) — igneous

Gray rock (possibly basalt or fine-grained granite)

Undetermined; no diagnostic minerals are visible

Yellow Aventurine (specifically a carved crescent moon) (Silicon Dioxide (SiO2) with inclusions) — mineral

Yellow Aventurine (specifically a carved crescent moon)

Silicon Dioxide (SiO2) with inclusions

Sandstone (likely Arkosic or Lithic) (Clastic Sedimentary Rock (SiO2 with accessory minerals)) — sedimentary

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (SiO2 with accessory minerals)

Aventurine (Quartz with fuchsite inclusions (SiO2)) — mineral

Aventurine

Quartz with fuchsite inclusions (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartzose Sandstone)

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Muscovite Mica (Muscovite [KAl2(AlSi3O10)(OH)2]) — mineral

Muscovite Mica

Muscovite [KAl2(AlSi3O10)(OH)2]

Potassium Feldspar (Orthoclase / Microcline) (KAlSi3O8) — mineral

Potassium Feldspar (Orthoclase / Microcline)

KAlSi3O8