Green Moss Agate
Agate (Silicon Dioxide, SiO2) with inclusions of hornblende or chlorite
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Green Moss Agate
Agate (Silicon Dioxide, SiO2) with inclusions of hornblende or chlorite
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
Pyrite
Iron Disulfide (FeS2)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Desert Rose
Gypsum (variety Selenite) or Barite, CaSO4·2H2O
Limonite (Yellow Ochre)
FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Sandstone (Greywacke)
Arenite / Greywacke Sandstone
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Chalcedony on Matrix
Silicon Dioxide (SiO2)
Dendritic Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with inclusions
Botryoidal Chalcedony (Druzy Quartz)
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (primarily Muscovite and Quartz composition)
Chrysocolla
Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
Quartz (Smoky/Grey Quartz Variant)
Silicon Dioxide (SiO2)
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
Dendritic Agate (Tumbled)
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Petrified Wood
Silicified Wood (SiO2)
Jasper or Agate
Silicon dioxide (SiO2)
Greenstone
Greenschist (metamorphosed mafic igneous rock)
Travertine (Tufa)
Calcium Carbonate (CaCO3)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geodic structure
Dendritic Quartz
Silicon Dioxide with inclusions (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Coarse-grained Granite
Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)
Granite
Granite (Felsic Plutonic Rock)
Granite
Phaneritic Acidic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Sandstone
Arenite
Schist
Mica Schist
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Limonite (Iron Ore/Sandstone mixture)
Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Quartzite (Dyed)
Silicon Dioxide (SiO2) with inclusions
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Yellow Aventurine (Yellow Quartzite)
Silicon Dioxide (SiO2) with inclusions
Granite
Intrusive igneous rock (Acidic)
Mica Schist
Mica Schist (Quartz-Biotite-Muscovite Schist)
Sandstone (Quartzose)
Arenite (primarily SiO2)