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

Larimar (Blue Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Black Tourmaline (Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Shale (Sedimentary rock composed of clay minerals and quartz) — sedimentary

Shale

Sedimentary rock composed of clay minerals and quartz

Black Tourmaline (Schorl) (Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline (Schorl)

Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)

Sandstone (Lithic Arenite) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Lithic Arenite)

Clastic Sedimentary Rock (primarily SiO2)

Shale (Argillite / Shaly Mudstone) — sedimentary

Shale

Argillite / Shaly Mudstone

Prehnite (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Prehnite (Calcium aluminum silicate hydroxide - Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Calcium aluminum silicate hydroxide - Ca2Al(AlSi3O10)(OH)2

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Sandstone (likely Quartzose Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone or Limestone (Arenite or Calcareous Sedimentary Rock) — Sedimentary

Sandstone or Limestone

Arenite or Calcareous Sedimentary Rock

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Quartz with inclusions

Silicon Dioxide (SiO2)

Hypersthene (Hypersthene (formula: (Mg,Fe)SiO3)) — mineral

Hypersthene

Hypersthene (formula: (Mg,Fe)SiO3)

Prehnite (Prehnite (Ca2Al2Si3O10(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Sandstone (likely Quartz Sandstone) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (likely Quartz Sandstone)

Arenite (composed primarily of SiO2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Prehnite (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Quartz Pebbles (Silicon Dioxide (SiO2)) — mineral

Quartz Pebbles

Silicon Dioxide (SiO2)

Sandstone with Iron Oxide Concretion (Arenite with Hematite/Goethite Concretion) — sedimentary

Sandstone with Iron Oxide Concretion

Arenite with Hematite/Goethite Concretion

Calcite on Limestone (Calcium Carbonate (CaCO3)) — mineral

Calcite on Limestone

Calcium Carbonate (CaCO3)

Howlite (Howlite (Ca2B5SiO9(OH)5)) — mineral

Howlite

Howlite (Ca2B5SiO9(OH)5)

Howlite (Ca2B5SiO9(OH)5 (Calcium borosilicate hydroxide)) — mineral

Howlite

Ca2B5SiO9(OH)5 (Calcium borosilicate hydroxide)

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

Microcline (Potassium Feldspar)

Microcline (KAlSi3O8)

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Muscovite Mica (Golden/Yellow variety) (KAl2(AlSi3O10)(F,OH)2) — mineral

Muscovite Mica (Golden/Yellow variety)

KAl2(AlSi3O10)(F,OH)2

Ferruginous Sandstone (Gozzanous) (SiO2 (Quartz) with FeO(OH) (Goethite) or Fe2O3 (Hematite) coating) — sedimentary

Ferruginous Sandstone (Gozzanous)

SiO2 (Quartz) with FeO(OH) (Goethite) or Fe2O3 (Hematite) coating

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Sandstone (Arenite (Siliclastic sedimentary rock), SiO2 + various minerals) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock), SiO2 + various minerals

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic Extrusive volcanic rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Extrusive volcanic rock)

Gneiss (specifically a Granitic Gneiss specimen) (Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)) — metamorphic

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Granite (Phaneritic Acidic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic Acidic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Sandstone River Pebble (Arenite (SiO2 based)) — sedimentary

Sandstone River Pebble

Arenite (SiO2 based)

Petrified Wood (Silicified wood (Quartz, SiO2)) — metamorphic

Petrified Wood

Silicified wood (Quartz, SiO2)