Igneous Or Metamorphic (Base Stone); Anthropogenic (Decoration)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Garnet

Garnet Group (formula varies, e.g., Almasndine: Fe3Al2(SiO4)3)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Raw Chunk)

Silicon Dioxide (SiO2)

Agate (Banded Chalcedony)

Agate (Silicon Dioxide, SiO2)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Clear Quartz

Silicon dioxide (SiO2)

Gold in Quartz Matrix

Native Gold (Au) with Quartz (SiO2) and Slate/Shale

Sapphire

Corundum (Al2O3)

Black Sand (Magnetite Sand)

Magnetite-rich Placers (Fe3O4)

Clear Quartz

Silicon Dioxide (SiO2)

Black Sapphire

Corundum (Al2O3 with inclusions of hematite or ilmenite)

Clear Quartz Sphere

Quartz (Silicon Dioxide, SiO2)

Pyrite

Iron Pyrite (FeS2)

Smoky Quartz (with possible Garnet inclusions)

Silicon Dioxide (SiO2)

Pyrite (on Quartz/Sulfide matrix)

Iron Sulfide (FeS2)

Smoky Quartz (with Druzy/Polished Edge)

Smoky Quartz (Silicon Dioxide, SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Pyrite

Iron Sulfide (FeS2)

Ruby

Corundum (Al2O3 with Chromium traces)

Smoky Quartz

Silicon Dioxide (SiO2)

Feldspar (Orthoclase/Potassium Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Quartz (Milky and Bull Quartz)

Silicon Dioxide (SiO2)

Quartz (Iron-Stained or Milky Quartz)

Silicon Dioxide (SiO2)

Garnet

Garnet Group (Silicate Minerals), formula varies e.g., Almandine Fe3Al2(SiO4)3

Milky Quartz with Iron Inclusions

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂)

River Cobble (Quartzite-rich Sandstone)

Clastic Sedimentary Rock (Litharenite/Quartzite transition)

Magnetite

Magnetite (Fe3O4)

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine Quartz

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Garnet (likely Almandine)

Almandine (Fe3Al2(SiO4)3)

Baroque Pearl (and potentially a small Sapphire/Blue Topaz)

Pearl: Calcium Carbonate (aragonite or calcite) with conchiolin. Sapphire: Aluminum Oxide (Al2O3). Blue Topaz: Al2SiO4(F,OH)2.

Sandstone (likely Greywacke or Siltstone variety)

Arenite / Siltstone (primarily SiO2)

Limestone (Weathered Aggregate)

Sedimentary Carbonate Rock (CaCO3)

Coquina or Fossiliferous Limestone

Fossiliferous Calcarenite (CaCO3)

Sandstone (Quartzose Sandstone)

Arenite (SiO2)

Moss Agate

Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite

Quartz (Iron-stained)

Silicon Dioxide (SiO2)