Not A Rock (Animated Character)

Amethyst Geode

Amethyst (Silicon Dioxide, SiO2)

Granite (weathered pebble)

Granite; primarily quartz, potassium feldspar, plagioclase, and mica

Agate

Silicon dioxide (SiO2) - Chalcedony variety

Picasso Stone

Metamorphic Limestone (Marble)

Amethyst

Amethyst (Silicon Dioxide, SiO2 with iron impurities)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Amazonite

Potassium Feldspar (Microcline) - K(AlSi3O8)

Jasper (Imperial Jasper style)

Silicon Dioxide (SiO2) with impurities

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Green aventurine (probable)

Quartz variety, SiO₂, colored by fuchsite or other mica inclusions

Malachite

Malachite — Cu₂CO₃(OH)₂, hydrated copper carbonate hydroxide

Blue aventurine quartz (likely dyed or tumbled quartzite)

Quartz, silicon dioxide (SiO₂), with blue coloration from inclusions or dye

Granite (likely granitic gneiss or granodiorite)

Granitoid; chiefly quartz, feldspar, and biotite/hornblende

Polished banded agate (likely carnelian/brown agate)

Microcrystalline quartz, SiO₂ (chalcedony variety)

Halite

Halite (Sodium Chloride - NaCl)

Garnet in Matrix (likely Almandine in Quartz/Mica Schist)

Almandine Garnet (Fe3Al2(SiO4)3) in Quartz-Feldspar host rock

Quartz geode/druse, likely chalcedony matrix

Quartz, silicon dioxide (SiO₂), with possible microcrystalline chalcedony

Tumbled green aventurine (likely)

Quartz, SiO₂, containing green fuchsite mica or other inclusions

Red garnet (likely almandine or pyrope)

Garnet-group nesosilicate; commonly almandine, Fe₃Al₂(SiO₄)₃, or pyrope, Mg₃Al₂(SiO₄)₃

Moss Agate

Silicon Dioxide with inclusions (SiO2 + impurities)

Orbicular jasper (likely ocean jasper)

Silica-rich chalcedony/quartz with hematite- or feldspar-rich orbicules; commonly marketed as Ocean Jasper

Yellow Jasper

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

Tiger's Eye (Oeil de Tigre)

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Polished banded agate (likely Botswana or fortification agate)

Microcrystalline quartz, SiO₂, chiefly chalcedony with iron-oxide inclusions

Brecciated jasper (polished/cut rough specimen)

Silica-rich microcrystalline quartz aggregate, chiefly SiO₂, with iron-oxide pigments; brecciated jasper

Amethyst

Amethyst (Silicon Dioxide containing trace Iron impurities, SiO2)

Limonite

Limonite (Hydrated iron(III) oxide-hydroxide) FeO(OH)·nH2O

Iron-rich weathered rock, likely lateritic sandstone or ironstone

Ferruginous sandstone/ironstone; chiefly quartz (SiO₂) with hematite/goethite (Fe₂O₃·nH₂O)

Banded gneiss

Gneiss, typically quartz–feldspar–mica assemblage

Polished/tumbled serpentine

Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄

Limestone

Sedimentary Rock (Primarily Calcium Carbonate, CaCO3)

Red Garnet

Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Smoky Quartz

Silicon Dioxide (SiO2)

Green-speckled pebble, likely epidote-bearing basalt or altered granite

Probable epidote (Ca₂(Al,Fe)₃(SiO₄)₃(OH)) in a mafic or felsic host; exact identification requires testing

Green Moss Agate

Silicon Dioxide with inclusions (SiO2)

Polished brown chert or jasper pebble

Microcrystalline quartz (SiO₂), likely chert/jasper

Muscovite mica schist

Muscovite-rich schist; predominantly muscovite mica (KAl₂(AlSi₃O₁₀)(OH)₂) with quartz and minor iron oxides

Quartz-rich sandstone (possibly arkosic sandstone)

Clastic sandstone composed mainly of quartz (SiO₂), with feldspar and mica fragments cemented by silica or carbonate

Weathered copper-bearing rock, likely chrysocolla/azurite-malachite ore

Copper carbonate–silicate mineral assemblage; probable malachite (Cu2CO3(OH)2) with chrysocolla (Cu2−xAlx(H2−xSi2O5)(OH)4·nH2O), possibly limonite and azurite

Flint or chert projectile point

Microcrystalline quartz (SiO₂), likely chalcedony-rich chert

Dark volcanic rock, likely basalt

Basalt; predominantly plagioclase feldspar and pyroxene, commonly with minor olivine and magnetite