Not A Rock (Animated Character)

Yellow Jasper (Iron-stained Quartz)

Jasper (Silicon Dioxide, SiO2 plus iron oxide impurities)

Diorite

Intermediate plutonic igneous rock

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Milky Quartz

Silicon Dioxide (SiO2)

Serpentine

Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Celestite (Celestine)

Celestine (Strontium Sulfate, SrSO4)

Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Rhyolite

Rhyolite (Extrusive Igneous Rock)

Yellow Quartz (Citrine or Citrine-colored Quartz)

Silicon Dioxide (SiO2)

Sandstone (with Lichen)

Arenite (primarily SiO2)

Lapis Lazuli

Lapis lazuli (a rock primarily composed of Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Limestone (with Iron-Oxide staining)

Sedimentary Calcium Carbonate (CaCO3)

Black Tourmaline

Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4

Agate

Chalcedony (SiO2)

White Marble

Recrystallized Calcite (CaCO3) / Marble

Staurolite (Fairy Cross)

Staurolite (Fe2+2Al9Si4O23(OH))

Rose Quartz

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

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Amethyst

Amethyst (Silicon Dioxide, SiO2 + Fe)

Flowerstone

Porphyritic Basalt or Porphyritic Andesite

Gneiss (specifically a granitic gneiss cobble)

Gneiss (high-grade regional metamorphic rock)

Green Moss Agate

Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite

Chalk / Sedimentary Limestone

Calcium Carbonate (CaCO3) - Biogenic Sedimentary Rock

Milky Quartz (Water-worn Pebble)

Silicon Dioxide (SiO2)

Desert Varnish (on Sandstone)

Rock Varnish (composed of Manganese oxides, Iron oxides, and Clay minerals)

Jasper

Silicon Dioxide (SiO2)

Moonstone

Orthoclase feldspar (KAlSi3O8)

Pink Granite

Phaneritic intrusive igneous rock (K-feldspar rich)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Serpentine

Serpentine group, including Antigorite, Lizardite, and Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Green Fluorite

Calcium Fluoride (CaF2)

Sandstone with Tafoni Weathering

Arenite (SiO2 based)

Dendrite (Manganese Oxide Dendrites)

Psilomelane or Pyrolusite on Matrix (typically MnO2)

Sandstone

Arenite (primarily SiO2 with various cementing agents)

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Aventurine

Quartz (SiO2) with inclusions of Fuchsite

Botryoidal Chalcedony (Agate/Desert Rose Chalcedony)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2 (Calcium magnesium iron silicate hydroxide)

Agate

Silicon Dioxide (SiO2)