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

Fossil Snail (Gastropoda (fossilized)) — fossil

Fossil Snail

Gastropoda (fossilized)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

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

Sandstone

Arenite (composed primarily of SiO2)

Green Schist (Greenschist (composed of Chlorite, Actinolite, and Epidote)) — metamorphic

Green Schist

Greenschist (composed of Chlorite, Actinolite, and Epidote)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Basalt with Olivine and Scoria (Extrusive Igneous Rock) — igneous

Basalt with Olivine and Scoria

Extrusive Igneous Rock

Granite Pegmatite (Pegmatite (Fulgite / Felsic Intrusive Rock)) — igneous

Granite Pegmatite

Pegmatite (Fulgite / Felsic Intrusive Rock)

Basalt with Calcite Veins (Extrusive Igneous Rock) — igneous

Basalt with Calcite Veins

Extrusive Igneous Rock

Basalt with Quartz Veins (Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene) with SiO2 inclusions) — igneous

Basalt with Quartz Veins

Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene) with SiO2 inclusions

Sandstone (Ferruginous) (Ferruginous Sandstone (SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Ferruginous Sandstone (SiO2 with Fe2O3)

Ruby in Fuchsite (Corundum (Al2O3) in Chrome-Mica (KAl2(AlSi3O10)(OH)2)) — metamorphic

Ruby in Fuchsite

Corundum (Al2O3) in Chrome-Mica (KAl2(AlSi3O10)(OH)2)

Quartz Vein in Host Rock (Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)) — metamorphic

Quartz Vein in Host Rock

Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)

Blue Quartz (Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)

Clear Quartz Crystal (Silicon Dioxide (SiO2), Quartz) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2), Quartz

K-Feldspar (Potassium Feldspar / Pink Feldspar) (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

K-Feldspar (Potassium Feldspar / Pink Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — mineral

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Selenite (Gypsum (CaSO4·2H2O)) — mineral

Selenite

Gypsum (CaSO4·2H2O)

Vein-filled Sedimentary Rock (Silicified sedimentary rock with quartz/calcite vein) — sedimentary

Vein-filled Sedimentary Rock

Silicified sedimentary rock with quartz/calcite vein

Golden Calcite (Calcium Carbonate (CaCO3)) — mineral

Golden Calcite

Calcium Carbonate (CaCO3)

Limonite Sandstone (Ferruginous Sandstone (Hydrated Iron Oxide)) — sedimentary

Limonite Sandstone

Ferruginous Sandstone (Hydrated Iron Oxide)

Limonite with Quartz (Gossan) (Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)) — Mineral

Limonite with Quartz (Gossan)

Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)

Amazonite (microcline feldspar) (K(AlSi3O8) - Potassium Aluminum Silicate) — mineral

Amazonite (microcline feldspar)

K(AlSi3O8) - Potassium Aluminum Silicate

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Milky Quartz with Iron Oxide Weathering (Silicon Dioxide (SiO2) with Goethite/Limonite coatings) — mineral

Milky Quartz with Iron Oxide Weathering

Silicon Dioxide (SiO2) with Goethite/Limonite coatings

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

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

Rhodonite

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

Chrysoberyl (Cyclic Twin) (Beryllium Aluminum Oxide (BeAl2O4)) — mineral

Chrysoberyl (Cyclic Twin)

Beryllium Aluminum Oxide (BeAl2O4)

Botryoidal Chalcedony (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony

Silicon Dioxide (SiO2)

Chalcedony Agate / Carnelian nodules in Matrix (SiO2 (Silicon Dioxide) with iron oxide inclusions) — mineral

Chalcedony Agate / Carnelian nodules in Matrix

SiO2 (Silicon Dioxide) with iron oxide inclusions

Sandstone (Red Sandstone) (Arenite) — sedimentary

Sandstone (Red Sandstone)

Arenite

Biotite Schist (Schist (Biotite-dominated)) — metamorphic

Biotite Schist

Schist (Biotite-dominated)

Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Apatite

Fluorapatite (Ca5(PO4)3F)

Diorite (Phaneritic intermediate plutonic rock (Diorite)) — igneous

Diorite

Phaneritic intermediate plutonic rock (Diorite)

Ruby in Matrix (Corundum (Al2O3)) — mineral

Ruby in Matrix

Corundum (Al2O3)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Sandstone (with Concretion) (Arenite / Quartzose Sandstone) — sedimentary

Sandstone (with Concretion)

Arenite / Quartzose Sandstone

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Quartz (Double-Terminated) (Silicon Dioxide (SiO2)) — mineral

Quartz (Double-Terminated)

Silicon Dioxide (SiO2)

Generic Rock Fragment (Rock Fragment) — sedimentary

Generic Rock Fragment

Rock Fragment

Gemstone Tree Brooch (Agate and Quartz) (Silicon Dioxide (SiO2)) — mineral

Gemstone Tree Brooch (Agate and Quartz)

Silicon Dioxide (SiO2)