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

Apatite (Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Apatite

Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Quartz (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Rainbow Fluorite (Calcium Fluoride (CaF2)) — mineral

Rainbow Fluorite

Calcium Fluoride (CaF2)

Green Schist (Greenschist (Chlorite Schist)) — metamorphic

Green Schist

Greenschist (Chlorite Schist)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Pegmatite (Granitic) (Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)) — igneous

Pegmatite (Granitic)

Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

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

Feldspathic Gneiss (Granite Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Erythrite in Cobaltite Ore (Erythrite (Co3(AsO4)2·8H2O) with Cobaltite (CoAsS)) — mineral

Erythrite in Cobaltite Ore

Erythrite (Co3(AsO4)2·8H2O) with Cobaltite (CoAsS)

Limonite/Goethite (Iron Ore) (Hydrous ferric oxides (FeO(OH)·nH2O)) — mineral

Limonite/Goethite (Iron Ore)

Hydrous ferric oxides (FeO(OH)·nH2O)

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

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Mica Schist / Granite (Mica Schist (Silicate metamorphic rock)) — metamorphic

Mica Schist / Granite

Mica Schist (Silicate metamorphic rock)

Astrophyllite (Astrophyllite (K2NaFe7Ti2Si8O26(OH)4F)) — mineral

Astrophyllite

Astrophyllite (K2NaFe7Ti2Si8O26(OH)4F)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sunstone (Feldspar) (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8 with inclusions of Hematite/Goethite) — mineral

Sunstone (Feldspar)

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8 with inclusions of Hematite/Goethite

Ruby (Corundum (Al2O3)) — mineral

Ruby

Corundum (Al2O3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Corundum (variety Ruby/Sapphire) (Aluminum Oxide (Al2O3)) — mineral

Corundum (variety Ruby/Sapphire)

Aluminum Oxide (Al2O3)

Fluorite (Green Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Green Fluorite)

Calcium Fluoride (CaF2)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Aragonite (Botryoidal/Coralloidal variety) (Aragonite (CaCO3)) — mineral

Aragonite (Botryoidal/Coralloidal variety)

Aragonite (CaCO3)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Copper Ore (Malachite/Chrysocolla bearing) (Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2) — mineral

Copper Ore (Malachite/Chrysocolla bearing)

Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Stilbite (Stilbite-Ca (NaCa4Mg[Al9Si27O72]·28H2O)) — mineral

Stilbite

Stilbite-Ca (NaCa4Mg[Al9Si27O72]·28H2O)

Geode (Calcite or Quartz) (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)) — sedimentary

Geode (Calcite or Quartz)

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)

Moss Agate (Silicon Dioxide (Chalcedony with green mineral inclusions), SiO2) — gemstone

Moss Agate

Silicon Dioxide (Chalcedony with green mineral inclusions), SiO2

Psilomelane (Manganese Ore) (Psilomelane (Ba,H2O)2Mn5O10) — mineral

Psilomelane (Manganese Ore)

Psilomelane (Ba,H2O)2Mn5O10

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

Gneiss

Gneiss (High-grade metamorphic rock)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Desert Rose (Barite Rose or Gypsum Rose)

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

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Concretion (Sedimentary Concretion (e.g., Siderite or Ironstone)) — sedimentary

Concretion

Sedimentary Concretion (e.g., Siderite or Ironstone)

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

Prehnite (Prehnite (Ca2Al2Si3O10(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Sandstone (Quartz Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz Sandstone)

Arenite (primarily SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)