Not A Rock (Animated Character)

Banded Sandstone

Arenite (composed primarily of Quartz: SiO2)

Blue Aventurine

Silicon Dioxide (SiO2) with inclusions of Dumortierite

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Amethyst (Faceted)

Amethyst (Silicon Dioxide with iron impurities, SiO2)

Caribbean Calcite

Calcium Carbonate with Argonite (CaCO3)

Serpentine-bearing metamorphic rock (likely chromite/vesuvianite-bearing serpentinite)

Serpentinite, chiefly serpentine-group minerals [(Mg,Fe)₃Si₂O₅(OH)₄], with dark accessory minerals

Chalcedony (Common Opal or Agate variant)

Silicon Dioxide (SiO₂)

Limonite

FeO(OH)·nH2O

Tumbled jasper

Microcrystalline quartz (SiO₂), commonly iron-stained chalcedony/jasper

Tumbled malachite (probable)

Malachite, Cu₂CO₃(OH)₂

Polished orbicular granite (likely K2-type granite)

Granite; chiefly quartz (SiO₂), alkali feldspar/plagioclase, biotite/amphibole, with dark orbicules possibly riebeckite or amphibole minerals

Schist

Schist; commonly mica schist, composed chiefly of muscovite/biotite mica with quartz and feldspar

Copper-bearing rock, likely chrysocolla–malachite–cuprite/goethite matrix

Hydrated copper silicate/carbonate minerals, chiefly chrysocolla (Cu₂H₂Si₂O₅(OH)₄·nH₂O) with possible malachite (Cu₂CO₃(OH)₂), iron oxides, and quartz

Weathered quartz-mica schist

Quartz–muscovite/biotite schist, locally iron-oxide stained

White Agate (Chalcedony)

Agate (Silicon Dioxide - SiO2)

Polished labradorite cabochon

Labradorite, plagioclase feldspar; approximately NaAlSi₃O₈–CaAl₂Si₂O₈

Conch Pearl

Calcareous concretion (CaCO3)

Flint or chert

Microcrystalline quartz (SiO₂), commonly chalcedony with possible impurities

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Banded Agate (specifically Moss or River Agate variety)

Cryptocrystalline Quartz (SiO2)

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

Amethyst

Amethyst (Silicon Dioxide with Iron impurities), SiO₂

Rhodonite

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Copper-bearing chrysocolla/azurite host rock (probable)

Chrysocolla, Cu₂H₂Si₂O₅(OH)₄·nH₂O, with possible azurite Cu₃(CO₃)₂(OH)₂ in iron-stained quartz/matrix

Red Jasper

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Greenstone (Epidote/Chlorite-rich Metabasalt)

Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Malachite-bearing copper ore, possibly chrysocolla

Malachite (Cu₂CO₃(OH)₂), with possible chrysocolla (Cu₂−xAlx(H₂−xSi₂O₅)(OH)₄·nH₂O) and host rock

Rough Rose Quartz

Quartz (Silica - SiO2)

Weathered green-gray stone, likely serpentinite or chlorite-rich metamorphic rock

Probable serpentinite (antigorite–lizardite), possibly chlorite schist or altered basalt

Blue slag glass / industrial glass fragment

Artificial silicate glass, composition variable; likely copper- or cobalt-colored furnace slag

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

Amethyst

Silicon dioxide (SiO2) with iron impurities

Tumbled greenstone (likely serpentinite or altered basalt)

Serpentinite, predominantly serpentine-group minerals; exact identification requires testing

Orbicular jasper (ocean jasper)

Microcrystalline quartz (SiO₂), chiefly chalcedony with feldspar, zeolites, and iron-oxide inclusions

Limonite Nodules / Goethite

Hydrated Iron Oxide-Hydroxide (FeO(OH)·nH2O / Fe2O3·nH2O)

Amethyst

SiO2 (Amethyst is a variety of Quartz)

Tumbled brecciated jasper

Microcrystalline quartz (SiO₂), with iron-oxide staining and darker volcanic/mineral fragments

Fluorite

Calcium Fluoride (CaF2)

Tumbled green aventurine (probable)

Quartz aggregate, SiO₂, commonly containing fuchsite mica inclusions

Fuchsite (Green Muscovite)

K(Al,Cr)2(AlSi3O10)(OH)2

Obsidian

Volcanic glass (SiO2-rich extrusive igneous rock)

Blue Aventurine

Quartz (Silicon Dioxide, SiO2) with inclusions