Not A Rock (Animated Character)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Dalmatian Stone (Dalmatian Jasper)

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Quartzite (or Milky Quartz pebble)

Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)

Quartzite

Quartzite (Primary mineral: SiO2)

Dalmatian Stone (commonly Dyed)

Dalmatian Jasper (Peralkaline igneous rock)

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Lapis Lazuli

Na6Ca2(Al6Si6O24)(SO4,S,Cl,OH)2 (Lazurite-dominated rock)

Sandstone with Algae Growth

Arenite with Chlorophyta/Lichen

Orange Quartzite

Quartzite (primarily SiO2 with Hematite impurities)

Quartzite

Quartzite (SiO2)

Quartzite

Meta-quartzite (SiO2)

Quartzite (specifically a river-worn cobble)

Quartzite (primarily Silicon Dioxide, SiO2)

Quartzite

Quartzite (primarily SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Fossilized Brachiopod/Bivalve in Limestone

Brachiopoda or Bivalvia fossil in Calcite/Limestone (CaCO3)

Amethyst

Silicon Dioxide (SiO2) with Iron impurities

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartzite

Quartzite (primarily SiO2)

Hematite (Tumbled)

Iron(III) oxide (Fe2O3)

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Amethyst Quartz Druse

Silicon Dioxide (SiO2) with iron impurities

Blue Tiger's Eye (Hawk's Eye)

Silicified Crocidolite (Pseudomorph of Quartz after Crocidolite), SiO2

Blue Sapphire

Corundum (Al2O3)

Schist (Micaceous Schist)

Schist (comprising Muscovite/Biotite mica, Quartz, and Feldspar)

Quartzite

Quartzite (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous)

Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)

Herkimer Diamond in Matrix

Quartz (SiO2) in Dolostone (CaMg(CO3)2)

Jasper

Silicon Dioxide (SiO2)

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Chert (Nodule)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Agate (specifically a Yellow/Honey Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Sea Glass

Amorphous Silica (SiO2) with various additives

Pumice

Pumice (Highly vesicular volcanic glass)

Limestone

Calcareous sedimentary rock (CaCO3)

Limestone

Calcium Carbonate (CaCO3)

Druzy Quartz on Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz and Biotite Schist

Quartz-Biotite Schist (SiO2 + K(Mg,Fe)3AlSi3O10(F,OH)2)

Ammonite Fossil (Polished Half)

Ammonoidea (subclass)