Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Blue Apatite

Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))

Blue Calcite

Calcium Carbonate (CaCO3)

Corundum (Ruby/Sapphire crystal)

Al2O3 (Aluminum Oxide)

Quartzite Pebble

Quartzite (SiO2)

Sodalite

Na8(Al6Si6O24)Cl2 (Sodalite)

Quartz (Beach Pebble)

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Pegmatite

Igneous Pegmatite

Andesite

Andesite (Intermediate Extrusive Volcanic Rock)

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Smoky Quartz

Quartz (SiO₂)

Tektite (Indochinite)

Tektite (High-silica impact glass)

Epidote in Quartz

Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Milky Quartz (SiO2)

Olivine (likely Peridot variety)

Olivine Mineral Group (specifically Forsterite-Fayalite solid solution series); Chemical formula: (Mg,Fe)2SiO4

Smoky Quartz (Tumbled)

Smoky Quartz (Silicon Dioxide - SiO2)

Rhodonite

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

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Polished blue labradorite

Labradorite, calcium-rich plagioclase feldspar (approximately NaAlSi₃O₈–CaAl₂Si₂O₈)

Milky Quartz Pebble with Iron Inclusions

Silicon Dioxide (SiO2) with iron oxide impurities

Ironstone Concretion / Limonite Node

Goethite / Limonite (FeO(OH)·nH2O)

Granitic Pegmatite

Pegmatite containing Quartz, Pink Potassium Feldspar, and Muscovite Mica

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Garnet (almandine or pyrope variety)

Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Amazonite

Amazonite (KAlSi3O8)

Scoria (Lava Rock)

Scoria (basaltic pyroclastic rock)

Granitic Pegmatite

Pegmatitic Granite

Quartz (Milky/Chalcedony variety)

Silicon Dioxide (SiO2)

Hypersthene (or Enstatite/Ferrosilite)

Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)

Copper Ore (likely Chalcopyrite in Matrix)

Chalcopyrite (CuFeS2)

Sodalite-rich Syenite (Sunset Sodalite)

Sodalite-Syenite (Na8[Al6Si6O24]Cl2 with KAlSi3O8)

Malachite or Chrysocolla on Host Rock

Cu2(CO3)(OH)2 (Malachite) or (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla)

Pegmatite

Igneous Pegmatite (Quartz-Feldspar-Mica)

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

SiO2 (Silicon Dioxide)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Tektite (Indochinite)

Impactite / Tektite (Silica-rich glass)