Malachite
Copper carbonate hydroxide [Cu2CO3(OH)2]
Category
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Malachite
Copper carbonate hydroxide [Cu2CO3(OH)2]
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite inclusions
Flower Agate (Cherry Blossom Agate)
Chalcedony (SiO2) with Opaque Inclusions
Sandstone
Arenite (SiO2 primarily)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
Prehnite
Ca2Al2Si3O10(OH)2
Limonite (Ironstone) pseudomorph
Limonite (Hydrous ferric oxide), FeO(OH)·nH2O
Banded Gneiss
Gneiss (SiO2-rich metamorphic rock)
Greenstone or Epidote-rich Metamorphic Rock
Chlorite/Epidote Schist or Greenstone
Sandstone with Manganese Dendrites
Arenite (mostly SiO2) with Manganese Oxide inclusions (MnO2)
Limonite
Limonite (Hydrated iron oxide mixture, FeO(OH)·nH2O)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone
Arenite (primarily SiO2)
Amygdaloidal Basalt
Extrusive Igneous Rock with Amygdules
Clear Quartz
Silicon Dioxide (SiO2)
Obsidian
Obsidian (Volcanic Glass, SiO2)
Greenstone
Metamorphosed Mafic Igneous Rock
Clear Quartz Crystal (Herkimer Diamond style)
Silicon Dioxide (SiO2)
Fossilized Vertebra
Chordata fossil (Vertebra)
Botryoidal Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Limonite (Iron Ore)
Hydrated ferric oxide (FeO(OH)·nH2O)
Covellite
Covellite (CuS)
Schist (Micaceous)
Mica Schist
Chrysocolla on Quartz with Iron Oxides
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)
Limonite/Goethite Nodule
Iron Oxyhydroxide (primarily FeO(OH)·nH2O)
Hemimorphite on Limonite Gossan
Hemimorphite (Zn4Si2O7(OH)2·H2O) on Limonite matrix
Conglomerate
Conglomerate (clastic sedimentary rock)
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
Limonite (Iron Ore)
Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)
Chert (Flint / Jasper / Hornstone)
Microcrystalline Quartz (SiO2)
Sandstone (Yellow/Siltstone variant)
Arenite (SiO2 primarily)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Yellow Quartz
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Gold Ore
Native Gold (Au) in Quartz or Silicate matrix
Snowflake Obsidian
Obsidian with Cristobalite inclusions
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
Agate Geode Node
Cryptocrystalline Quartz (SiO2)
Limonite / Ironstone
FeO(OH)·nH2O
Shattuckite (Blue Quartz/Jasper Matrix)
Shattuckite (Copper Silicate Hydroxide - Cu5(SiO3)4(OH)2)
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)