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

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Snowflake Obsidian (Volcanic Glass with Cristobalite inclusions) — igneous

Snowflake Obsidian

Volcanic Glass with Cristobalite inclusions

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

Greenschist

Greenschist (Chlorite-actinolite schist)

White Howlite (Howlite (Hydrated calcium borosilicate, Ca2B5SiO9(OH)5)) — mineral

White Howlite

Howlite (Hydrated calcium borosilicate, Ca2B5SiO9(OH)5)

Mammoth or Mastodon Tooth Fossil (Proboscidea tooth (Mammuthus or Mammut)) — fossil

Mammoth or Mastodon Tooth Fossil

Proboscidea tooth (Mammuthus or Mammut)

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

Desert Rose

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

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

Garnet

Almandine Garnet (Fe3Al2(SiO4)3)

Banded Agate (Silicon Dioxide (SiO2) - Chalcedony) — mineral

Banded Agate

Silicon Dioxide (SiO2) - Chalcedony

Anthracite Coal (Anthracite (Carbon-rich metamorphic coal)) — metamorphic

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Obsidian (Obsidian (Volcanic Glass)) — Igneous

Obsidian

Obsidian (Volcanic Glass)

Conglomerate (River Rock) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Conglomerate (River Rock)

Clastic sedimentary rock (primarily SiO2)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

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

Green Aventurine

Quartz (SiO2) with inclusions

Chalcopyrite (or Pyrite Ore) (CuFeS2 (Copper Iron Sulfide)) — mineral

Chalcopyrite (or Pyrite Ore)

CuFeS2 (Copper Iron Sulfide)

Gneiss (Foliated Metamorphic Rock (Gneiss)) — metamorphic

Gneiss

Foliated Metamorphic Rock (Gneiss)

Pyrite in Quartz (Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)) — Mineral

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Vesicular Basalt (Scoria) (Basalt with vesicular texture) — igneous

Vesicular Basalt (Scoria)

Basalt with vesicular texture

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Basalt-Amugydule (Amygdaloidal Basalt) (Aphanitic Mafic Igneous Rock with Vesicle Infillings) — igneous

Basalt-Amugydule (Amygdaloidal Basalt)

Aphanitic Mafic Igneous Rock with Vesicle Infillings

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

Obsidian (Volcanic Glass (Amorphous Silica)) — igneous

Obsidian

Volcanic Glass (Amorphous Silica)

Limonite (FeO(OH)•nH2O) — mineral

Limonite

FeO(OH)•nH2O

Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Ironstone Concretion (Ironstone (primarily Siderite or Limonite / Goethite, FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion

Ironstone (primarily Siderite or Limonite / Goethite, FeO(OH)·nH2O)

Montana Moss Agate (Chalcedony (SiO2) with Manganese/Iron oxide inclusions) — sedimentary

Montana Moss Agate

Chalcedony (SiO2) with Manganese/Iron oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with hydrated iron oxide impurities) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Desert Rose (Barite Rose / Gypsum Rose) (Barium Sulfate (BaSO4) or Hydrated Calcium Sulfate (CaSO4·2H2O)) — mineral

Desert Rose (Barite Rose / Gypsum Rose)

Barium Sulfate (BaSO4) or Hydrated Calcium Sulfate (CaSO4·2H2O)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony

Cryptocrystalline Quartz (SiO2)

Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)) — mineral

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)

Smoky Quartz with Axinite (SiO2 (Quartz) with (Ca,Mn,Fe,Mg)3Al2BSi4O15(OH) (Axinite)) — mineral

Smoky Quartz with Axinite

SiO2 (Quartz) with (Ca,Mn,Fe,Mg)3Al2BSi4O15(OH) (Axinite)

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

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

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

Quartz Geode

Silicon Dioxide (SiO2) - Crystalline Quartz

Carnelian (Carnelian Agate (SiO2)) — mineral

Carnelian

Carnelian Agate (SiO2)

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

Quartz Geode (Smoky Quartz)

Silicon Dioxide (SiO2)

Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz

Silicon Dioxide (SiO2)

Common Opal (Potch) (Opal (Hydrated silica, SiO2·nH2O)) — mineral

Common Opal (Potch)

Opal (Hydrated silica, SiO2·nH2O)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz with Limonite Staining (Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)) — Mineral

Quartz with Limonite Staining

Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)