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

Sagenite Agate

Ribbon Jasper

Leopard Skin Jasper

Leopard Skin Jasper

Flower Jasper

Dendritic Opal

Feather Jasper

Starburst Agate

Plume Agate

Feather Agate

Landscape Opal

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Plume Agate (Silicon Dioxide (SiO2)) — mineral

Plume Agate

Silicon Dioxide (SiO2)

Crazy Lace Agate (Chalcedony (SiO2)) — mineral

Crazy Lace Agate

Chalcedony (SiO2)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — metamorphic

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Petrified Wood (Silicified wood (principally SiO2)) — fossil

Petrified Wood

Silicified wood (principally SiO2)

Black Tourmaline (Schorl) (Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(BO3)3Si6O18(OH)4)

Greenschist (Greenschist (Chlorite-Epidote-Actinolite Schist)) — metamorphic

Greenschist

Greenschist (Chlorite-Epidote-Actinolite Schist)

Chert Nodule (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule (Flint)

Microcrystalline Quartz (SiO2)

Cobblestones (Basalt/River Rock) (Polished lithic fragments and rounded pebbles) — sedimentary

Cobblestones (Basalt/River Rock)

Polished lithic fragments and rounded pebbles

Sandstone (Banded) (Clastic Sedimentary Rock: Arenite) — sedimentary

Sandstone (Banded)

Clastic Sedimentary Rock: Arenite

Serpentinite (Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)) — metamorphic

Serpentinite

Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Blue Lace Agate (Banded Chalcedony) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Blue Lace Agate (Banded Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Petrified Wood (Silicified wood / Permineralized wood (SiO2)) — fossil

Petrified Wood

Silicified wood / Permineralized wood (SiO2)

Fossilized Brachiopod (Brachiopoda (Phylum)) — fossil

Fossilized Brachiopod

Brachiopoda (Phylum)

Shale fragment (Shale (clay mineral rich sedimentary rock)) — sedimentary

Shale fragment

Shale (clay mineral rich sedimentary rock)

Kaolin (China Clay) (Kaolinite [Al2Si2O5(OH)4]) — sedimentary

Kaolin (China Clay)

Kaolinite [Al2Si2O5(OH)4]

Rose Quartz (Silicon Dioxide (SiO2)) — gemstone

Rose Quartz

Silicon Dioxide (SiO2)

Ironstone Concretion (Limonite/Goethite) (Iron-rich sedimentary rock (FeOx)) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Iron-rich sedimentary rock (FeOx)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — Sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Yellow Jasper (Silicon Dioxide (SiO2) with Goethite/Iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron inclusions

Fossil Shark Tooth (Selachimorpha (Chondrichthyes dental fossil)) — sedimentary

Fossil Shark Tooth

Selachimorpha (Chondrichthyes dental fossil)

Glauconite (Green Sandstone) (Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2) — sedimentary

Glauconite (Green Sandstone)

Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Mica Schist (Metamorphic rock dominated by muscovite and/or biotite mica) — metamorphic

Mica Schist

Metamorphic rock dominated by muscovite and/or biotite mica

Vesicular Basalt (Scoria) (Basalt (Extrusive Igneous Rock)) — igneous

Vesicular Basalt (Scoria)

Basalt (Extrusive Igneous Rock)

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

Blue Apatite

Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))

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

Blue Apatite

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

Greenschist / Migmatite (Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)) — metamorphic

Greenschist / Migmatite

Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Sandstone (with minor weathering/pitting) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (with minor weathering/pitting)

Clastic Sedimentary Rock (composed mostly of SiO2)

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

Chrysocolla

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

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Sandstone (with Limonite/Iron Staining) (Arenite (SiO2 based) with FeO(OH) staining) — sedimentary

Sandstone (with Limonite/Iron Staining)

Arenite (SiO2 based) with FeO(OH) staining

Greenschist (or Serpentinite) with Quartz-Feldspar Vein (Metabasalt / Greenschist Facies Rock) — metamorphic

Greenschist (or Serpentinite) with Quartz-Feldspar Vein

Metabasalt / Greenschist Facies Rock

Dendritic Chert (Silicon Dioxide with Manganese Oxide Inclusions (SiO2 + MnO2)) — sedimentary

Dendritic Chert

Silicon Dioxide with Manganese Oxide Inclusions (SiO2 + MnO2)

Blue Quartz (or Blue Aventurine) (Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)) — mineral

Blue Quartz (or Blue Aventurine)

Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)

Quartz with inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz with inclusions

Silicon Dioxide (SiO2)