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

Chert (Banded) (Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (Banded)

Cryptocrystalline Silica (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Sandstone (Ferruginous) (Arenite (Fe-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich)

Sandstone (Ferruginous Concretion) (Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement) — sedimentary

Sandstone (Ferruginous Concretion)

Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Geode (Unopened) (Silicon Dioxide (SiO2) in sedimentary host rock) — sedimentary

Geode (Unopened)

Silicon Dioxide (SiO2) in sedimentary host rock

Quartz–feldspar–mica rock, possibly pegmatite (Coarse-grained granitic rock (compositionally granitic pegmatite); exact identification requires closer examination) — igneous

Quartz–feldspar–mica rock, possibly pegmatite

Coarse-grained granitic rock (compositionally granitic pegmatite); exact identification requires closer examination

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Copper-bearing Quartz Vein in Host Rock (Quartz with Malachite/Chrysocolla staining) — igneous/metamorphic with mineral

Copper-bearing Quartz Vein in Host Rock

Quartz with Malachite/Chrysocolla staining

igneous/metamorphic with mineral

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Basalt with Amygdules (Extrusive Igneous Rock) — igneous

Basalt with Amygdules

Extrusive Igneous Rock

Schist (Mica Schist (Variable chemistry, often rich in muscovite and biotite)) — metamorphic

Schist

Mica Schist (Variable chemistry, often rich in muscovite and biotite)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic volcanic rock with secondary mineral fillings)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock with secondary mineral fillings)

Sandstone (Quartz Arenite) — sedimentary

Sandstone

Quartz Arenite

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Moss Agate (Silicon Dioxide with inclusions (SiO2)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2)

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

Muscovite

Muscovite, KAl2(AlSi3O10)(OH)2

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Galena (Lead Sulfide (PbS)) — mineral

Galena

Lead Sulfide (PbS)

Quartz (Clear Quartz/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily SiO2)

Gneiss (Gneiss (a rock type, not a specific mineral with a formula)) — Metamorphic Rock

Gneiss

Gneiss (a rock type, not a specific mineral with a formula)

Metamorphic Rock

Fossilized Fish Vertebra (Vertebrata) — fossil

Fossilized Fish Vertebra

Vertebrata

Shark Tooth Fossil (Chondrichthyes fossil) — fossil

Shark Tooth Fossil

Chondrichthyes fossil

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Copper Ore (Malachite and Azurite on Host Rock) (Cuprite, Malachite, and Azurite dissemination in gangue) — mineral

Copper Ore (Malachite and Azurite on Host Rock)

Cuprite, Malachite, and Azurite dissemination in gangue

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

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

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

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Schist (Schist (Crystalline metamorphic rock)) — metamorphic

Schist

Schist (Crystalline metamorphic rock)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Limonite (Iron Ore) (Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)

Polished jasper pebble (Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities) — metamorphic

Polished jasper pebble

Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities

Rutilated Quartz (beads) (SiO2 with TiO2 inclusions (Titanium Dioxide inclusions within Quartz)) — Mineral

Rutilated Quartz (beads)

SiO2 with TiO2 inclusions (Titanium Dioxide inclusions within Quartz)

Schist (Mica Schist (variety: Muscovite/Biotite Schist)) — metamorphic

Schist

Mica Schist (variety: Muscovite/Biotite Schist)