Quartzite Pebble
Quartzite (SiO2)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Quartzite Pebble
Quartzite (SiO2)
Quartzite (Pebble)
Quartzite
Pyrite
Iron Sulfide (FeS2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO₂)
Jasper
Jasper (Silicon Dioxide, SiO2)
Pink Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Fluorite (Green Fluorite)
Fluorite (Calcium Fluoride, CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartzite
Quartzite (primarily SiO2)
Peridot
Olivine ((Mg, Fe)2SiO4)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst
Silicon Dioxide (SiO2) with traces of Iron (Fe3+)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Labradorite
Labradorite (Plagioclase Feldspar Series: (Ca,Na)(Al,Si)4O8)
Black Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
Ferruginous Slag (Iron Smelting Byproduct)
Fused Silicate Scoria (Amorphous mixture of FeO, SiO2, and CaO)
Stichtite in Serpentine (Atlantisite)
Mg6Cr2CO3(OH)16·4H2O (Stichtite) / Mg3Si2O5(OH)4 (Serpentine)
Red Jasper
Silicon Dioxide (SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8
Fluorite Geode
Calcium Fluoride (CaF2)
Banded Agate (specifically Botswana Agate appearance)
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Pyrite
Iron Disulfide (FeS2)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Pyrite (Iron Pyrite)
Iron Disulfide (FeS2)
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Pyrite
Iron Sulfide (FeS2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Basalt
Extrusive Mafic Igneous Rock
Moss Agate
Chalcedony (Silicon Dioxide) with Chlorite or Iron/Manganese inclusions (SiO2)
Carnelian (Polished Cabochon)
Silicon Dioxide (SiO2) with iron oxide impurities
Amethyst Quartz Crust
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Carnelian (a variety of Chalcedony)
SiO2 (Silicon Dioxide) primarily colored by iron oxide (Hematite)
Chalcedony Geode / Agate Nodule
Cryptocrystalline Quartz (SiO2)
Carnelian Agate
Chalcedony (SiO2) with iron oxide inclusions
Amethyst (Tumbled)
Silicon Dioxide with iron impurities (SiO2)
Carnelian (Orange Agate)
Silicon Dioxide (SiO2)
Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)