Rock Identifier

Category

Mineral Like Byproduct

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

Green Moss Agate (Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)) — mineral

Green Moss Agate

Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)

Chrysocolla on Limonite Matrix (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)) — mineral

Chrysocolla on Limonite Matrix

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

Green Aventurine (Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)

Limonite (Ironstone) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Ironstone)

Limonite (FeO(OH)·nH2O)

Quartz (specifically Milky or Clear Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

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

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Fe2O3)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Fe2O3)

Picture Jasper (Silicon Dioxide (SiO2) with iron oxide and mineral inclusions) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and mineral inclusions

Jasper-Agate Breccia (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper-Agate Breccia

Silicon Dioxide (SiO2) with iron oxide inclusions

Greenschist (Greenschist (Chlorite-actinolite schist)) — metamorphic

Greenschist

Greenschist (Chlorite-actinolite schist)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Yellow Apatite Sphere (Polished) (Fluorapatite / Ca5(PO4)3F) — mineral

Yellow Apatite Sphere (Polished)

Fluorapatite / Ca5(PO4)3F

Granodiorite (or Granite) Pebble (Phaneritic Felsic Igneous Pebble) — igneous

Granodiorite (or Granite) Pebble

Phaneritic Felsic Igneous Pebble

Sandstone (with banding) (Arenite (primarily SiO2)) — sedimentary

Sandstone (with banding)

Arenite (primarily SiO2)

Petrified Wood (Silicified Wood) (Silicified Wood (primarily Chalcedony/Quartz, SiO2)) — mineral

Petrified Wood (Silicified Wood)

Silicified Wood (primarily Chalcedony/Quartz, SiO2)

Epidote (Epidote - Ca2(Al,Fe)3(SiO4)3(OH)) — metamorphic

Epidote

Epidote - Ca2(Al,Fe)3(SiO4)3(OH)

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

Sandstone

Arenite (composed primarily of SiO2)

Chert (Iron-stained) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Blue Quartz (Aventurine) (Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)) — mineral

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

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

Lepidolite

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

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

Lepidolite

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

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

Lepidolite

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

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

Sandstone (Greywacke) (Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone (Greywacke)

Arenite / Clastic Sedimentary Rock

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Blue Sapphire (Corundum (Al2O3) with iron and titanium impurities) — mineral

Blue Sapphire

Corundum (Al2O3) with iron and titanium impurities

Almandine Garnet (Iron aluminum silicate (Fe3Al2(SiO4)3)) — mineral

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

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

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Red Garnet (Almandine-Pyrope series) (Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)) — mineral

Red Garnet (Almandine-Pyrope series)

Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Plagioclase Feldspar (Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)) — Mineral

Plagioclase Feldspar

Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)

Orthoclase Feldspar (Potassium aluminum silicate (KAlSi3O8)) — mineral

Orthoclase Feldspar

Potassium aluminum silicate (KAlSi3O8)

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

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

Amphibolite with Hornblende (Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Amphibolite with Hornblende

Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)

Septarian Nodule (Septarian Concretion (CaCO3 with Siderite/Limonite streaks)) — sedimentary

Septarian Nodule

Septarian Concretion (CaCO3 with Siderite/Limonite streaks)

Fossilized Coral (Anthozoa (Fossilized)) — Sedimentary / Fossil

Fossilized Coral

Anthozoa (Fossilized)

Sedimentary / Fossil

Golden Healer Quartz (Silicon Dioxide (SiO2) with limonite/hematite inclusions) — mineral

Golden Healer Quartz

Silicon Dioxide (SiO2) with limonite/hematite inclusions

Mica Schist (Schist (Crystalline metamorphic rock)) — metamorphic

Mica Schist

Schist (Crystalline metamorphic rock)

Basalt (Basalt (Aphanitic mafic volcanic rock)) — igneous

Basalt

Basalt (Aphanitic mafic volcanic rock)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)