Granodiorite
Granodiorite (intermediate plutonic rock)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Granodiorite
Granodiorite (intermediate plutonic rock)
Serpentinite
Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
Mica Schist
Mica Schist
Biotite Schist with Garnet
Garnet-Biotite Schist
Ironstone (likely Ferruginous Siltstone/Sandstone)
Ferruginous sedimentary rock (FeOx-rich clastic)
Aquamarine (Pendant) and Jasper (Beads)
Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate Geode
Microcrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Dendritic Agate (River Pebble)
Silicon Dioxide (SiO2) with Manganese or Iron oxide inclusions
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
Milky Quartz
Silicon Dioxide (SiO2)
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine (Quartz)
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Crushed Limestone
Sedimentary Carbonate Rock (CaCO3)
Bauxite
Bauxite (Al2O3·2H2O)
Amber
Succinite
Limestone
CaCO3 (principally composed of Calcite)
Yellow Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
Green Moss Agate
Agate (Silicon Dioxide - SiO2) with inclusions of hornblende or chlorite
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
Feldspar-rich Pegmatite
Granitic Pegmatite (principally KAlSi3O8)
Carnelian
Carnelian (Microcrystalline Quartz, SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Carnelian
Chalcedony (Silicon Dioxide / SiO2)
Pyrite
Iron Disulfide (FeS2)
Anthracite Coal
Anthracite (Carbon-rich metamorphic sedimentary rock)
Dendritic Agate (specifically Orange/Tumbled)
Silicon Dioxide (SiO2) with Oxide Inclusions
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Scoria (Lava Rock)
Scoria (highly vesicular extrusive igneous rock)
Moonstone (specifically Rainbow Moonstone / White Labradorite)
White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Granite
Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica/Amphibole)
Banded Agate
Microcrystalline Quartz (SiO2) with impurities
Granite Cobble
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Phaneritic Plutonic Rock (High Silica content)