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

Polished orbicular jasper (likely ocean jasper or similar orbicular jasper) (Silica-rich microcrystalline quartz/chalcedony, chiefly SiO₂; exact variety cannot be confirmed from the image) — mineral

Polished orbicular jasper (likely ocean jasper or similar orbicular jasper)

Silica-rich microcrystalline quartz/chalcedony, chiefly SiO₂; exact variety cannot be confirmed from the image

Jasper / Quartzite (SiO2) — sedimentary/metamorphic

Jasper / Quartzite

SiO2

sedimentary/metamorphic

Unidentified gray metallic object (Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material) — mineral

Unidentified gray metallic object

Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material

Desert Rose (Gypsum rosette (CaSO4·2H2O) or Barite rosette (BaSO4)) — mineral

Desert Rose

Gypsum rosette (CaSO4·2H2O) or Barite rosette (BaSO4)

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

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

Geode (Quartz)

Silicon Dioxide (SiO2)

Dendritic Opal (Hydrated Silica with Manganese inclusions (SiO2·nH2O)) — mineral

Dendritic Opal

Hydrated Silica with Manganese inclusions (SiO2·nH2O)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Ferruginous Sandstone (Red Sandstone) (Arenite with Hematite/Limonite cement) — sedimentary

Ferruginous Sandstone (Red Sandstone)

Arenite with Hematite/Limonite cement

Obsidian (Obsidian (volcanic glass; primarily SiO2)) — igneous

Obsidian

Obsidian (volcanic glass; primarily SiO2)

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

Potassium Feldspar (Orthoclase)

KAlSi3O8 (Potassium Aluminum Silicate)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host

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

Limonite (Iron Ore)

FeO(OH)·nH2O

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (likely Arkose or Lithic) (Clastic sedimentary rock (SiO2 + impurities)) — sedimentary

Sandstone (likely Arkose or Lithic)

Clastic sedimentary rock (SiO2 + impurities)

Bauxite (Bauxite (mixture of Hydrous Aluminum Oxides)) — sedimentary

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

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

Epidote

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

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

Blue Quartz (Blue Aventurine)

Silicon Dioxide with inclusions (SiO2)

Sandstone Pebble (Arenite (SiO2 principal)) — sedimentary

Sandstone Pebble

Arenite (SiO2 principal)

Sandstone (Arenite (Quartz Sandstone)) — sedimentary

Sandstone

Arenite (Quartz Sandstone)

Banded Sandstone (Beach Pebble) (Quartz Arenite Sandstone) — sedimentary

Banded Sandstone (Beach Pebble)

Quartz Arenite Sandstone

Fluorite (Calcium fluoride (CaF2)) — mineral

Fluorite

Calcium fluoride (CaF2)

Vesicular Basalt with Epidote/Amygdaloidal Basalt (Amygdaloidal Basalt (Mg, Fe)2SiO4 + Ca2(Al, Fe)3(SiO4)3(OH)) — igneous

Vesicular Basalt with Epidote/Amygdaloidal Basalt

Amygdaloidal Basalt (Mg, Fe)2SiO4 + Ca2(Al, Fe)3(SiO4)3(OH)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Chalcanthite (Likely Synthetic/Lab-Grown) (Hydrated copper(II) sulfate (CuSO4·5H2O)) — mineral

Chalcanthite (Likely Synthetic/Lab-Grown)

Hydrated copper(II) sulfate (CuSO4·5H2O)

Sandstone (Sedimentary Clastic Rock) — sedimentary

Sandstone

Sedimentary Clastic Rock

Sandstone (Sedimentary Clastic Rock) — sedimentary

Sandstone

Sedimentary Clastic Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Granite (Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Aventurine (Quartz (SiO2) with fuchsite inclusions) — mineral

Aventurine

Quartz (SiO2) with fuchsite inclusions

Riverstone (Sandstone or Quartzite) (Sedimentary Rock (likely Arenite)) — sedimentary

Riverstone (Sandstone or Quartzite)

Sedimentary Rock (likely Arenite)

Limonite (Iron Ore) (Hydrated ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron Ore)

Hydrated ferric oxide mixture (FeO(OH)·nH2O)

Sandstone (Sedimentary rock composed mainly of quartz sand) — sedimentary

Sandstone

Sedimentary rock composed mainly of quartz sand

Sandstone (Sedimentary Concretion/Disk) (Arenite (predominantly SiO2)) — sedimentary

Sandstone (Sedimentary Concretion/Disk)

Arenite (predominantly SiO2)

Aventurine (Quartz with fuchsite inclusions (SiO2)) — mineral

Aventurine

Quartz with fuchsite inclusions (SiO2)

Black Obsidian (Amorphous volcanic glass (SiO2 + impurities)) — igneous

Black Obsidian

Amorphous volcanic glass (SiO2 + impurities)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Chrysocolla

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