Jasper (Tumbled)
Silicon Dioxide (SiO₂)
sedimentary (cryptocrystalline quartz)
Category
Not A Rock (Animated Character)
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Yellow Jasper
Chalcedony (Silicon Dioxide, SiO2)
sedimentary (microcrystalline quartz)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Basalt (Vesicular)
Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)(Si, Al)2O6 with (Ca, Na)(Al, Si)4O8
igneous
Chert (Quartz Variety)
Chert (mostly SiO2 / Silicon Dioxide)
sedimentary
Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Carnelian (a variety of Chalcedony)
Silicon dioxide (SiO2) with iron oxide impurities
mineral
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
mineral
Quartzite with Garnet
Garnetiferous Quartzite (SiO2 + X3Y2(SiO4)3)
metamorphic
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Blue Quartz (specifically Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Chert (and Jasper blend)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Banded Agate (with possible Chalcedony layers)
Silicon dioxide (SiO2)
sedimentary
Turquoise (Blue Howlite imitation)
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Nuummite
Antophyllite-Gedrite (Orthorhombic amphibole)
metamorphic
Vesicular Basalt
Vesicular Basalt (rich in silicate minerals mostly Plagioclase and Pyroxene)
igneous
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (70% or more silicon dioxide)
Igneous
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Man-made object (Simulant)
Carnelian
Carnelian (Microcrystalline Quartz, SiO2)
Mineral
Obsidian
Volcanic Glass (SiO2 - Silicon Dioxide with impurities)
Igneous
Malachite
Malachite (Cu2CO3(OH)2)
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Vesicular Basalt (River Pebble)
Vesicular Basalt
igneous
Ferruginous Sandstone
Arenite with Iron-Oxide cement (primarily Fe2O3 • nH2O)
sedimentary
Fancy Jasper (Ocean Jasper or River Jasper variant)
Silicon Dioxide with inclusions (SiO2)
sedimentary
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
mineral
Anthracite Coal
Anthracite (Carbon-rich Sedimentary-to-Metamorphic Rock)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Slag (Industrial Glass)
Anthropogenic Vitreous Slag (Post-industrial byproduct)
igneous
Biological Specimen (Domestic Dog)
Canis lupus familiaris
Organic (Non-rock)
Gold Nugget
Native Gold (Au)
mineral
Chalcedony with inclusions (Agate/Quartz)
Silicon Dioxide (SiO2)
mineral
Labradorite
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
mineral