Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)

Pyrite

Iron Disulfide (FeS2)

Sandstone or Mudstone with Iron Staining

Ferruginous Sandstone/Mudstone

Greenstone

Metabasalt / Chlorite-Epidote Schist

Serpentine

Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4

Hematite

Iron(III) oxide (Fe2O3)

Chakra Tumbled Stone Set

Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)

Feldspar

KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Serpentinite

Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)

Pyrite (or Fool's Gold)

Pyrite (FeS₂)

Clear Quartz

Silicon Dioxide (SiO2)

Orange Quartz

Crystalline Silicon Dioxide (SiO2) with iron oxide inclusions

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

Epidote

Epidote - Ca2(Al,Fe)3(SiO4)3(OH)

Smoky Quartz and Clear Quartz Geode

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Hematite

Iron(III) oxide (Fe2O3)

Yellow Apatite Sphere (Polished)

Fluorapatite / Ca5(PO4)3F

Granitic Gneiss

Gneiss (Polymetamorphic Granitic Gneiss)

Milky Quartz

Silicon Dioxide (SiO2)

Graphite

Graphite (Native Carbon, C)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Blue Calcite

Calcium Carbonate (CaCO3)

Pyrite

Iron Sulfide (FeS2)

Hematite (Tumbled)

Iron(III) oxide (Fe2O3)

Magnetite (likely with weathered Limonite/Hematite)

Magnetite (Fe3O4) with iron oxide weathering

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz (likely Jasper or Chert variety)

Quartz (SiO₂)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Dalmatian Stone

Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock

Blue Apatite

Apatite group (Ca5(PO4)3(F,Cl,OH))

Shale

Shale (comprised mostly of clay minerals and quartz)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (SiO2)

Epidote

Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Quartz (likely milky/gray variety)

Quartz (SiO₂)

Kyanite

Kyanite (Al2SiO5)

Greenstone or Chlorite Schist

Greenschist / Chlorite schist

Greenstone with Quartz Veining

Epidiorite or Metabasalt with SiO2 (Quartz) veins

Mica Schist

Mica Schist (KAl2(AlSi3O10)(OH)2 - Muscovite component)