Not A Rock (Animated Character)

Labradorite

Labradorite (Ca,Na)(Al,Si)4O8

Obsidian with Slate/Tuff

Volcanic glass (SiO2) with associated pyroclastic rock

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Epidosite (Unakite-related)

Epidosite (predominantly Epidote, Ca2(Al2,Fe3+)(SiO4)3(OH))

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and clay impurities

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Limestone

Calcium Carbonate (CaCO3)

Amethyst

SiO2 (Silicon Dioxide with iron impurities and irradiation)

Indochinite Tektite

Tektite (high-silica impact glass)

Limonite/Goethite on Shale

Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock

Moss Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Fluorite

Calcium Fluoride (CaF2)

Amethyst (Quartz variety)

Amethyst [Silicon Dioxide (SiO2)]

Garnet (specifically Almandine or Pyrope)

Almandine (Fe3Al2Si3O12) or Pyrope (Mg3Al2Si3O12)

Celestine (Celestite)

Strontium sulfate (SrSO4)

Limonite (Iron Ore)

Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)

Amethyst Quartz

Amethyst (SiO2 with Iron impurities)

Raw Topaz

Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2

Picasso Stone

Metamorphic Limestone (Marble)

Black Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Agate

Silicon Dioxide (SiO2)

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)

Copper-bearing Quartz (with Malachite and Iron Oxides)

Quartz (SiO2) with Malachite (Cu2CO3(OH)2) and Hematite/Limonite (Fe2O3)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Red Jasper

Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)

Amazonite

K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)

Rose Quartz

Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese

Lapis Lazuli

Lapis Lazuli (Aggregate of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)

Black Onyx

Cryptocrystalline Quartz (SiO2) with carbon/iron impurities

Amethyst (Quartz)

Amethyst (Silicon Dioxide with Iron impurities), SiO2

Amethyst (Geode/Druzy)

Silicon Dioxide (SiO2) with iron impurities

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Bauxite

Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)

Gold Ore in Quartz

Native Gold (Au) in Quartz (SiO2) matrix

Dalmation Stone (Dalmation Jasper)

Peralkaline Rock with Feldspar and Arfvedsonite

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Amethyst (Quartz Variety)

Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Lapis Lazuli

Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)