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

Sandstone

Arenite (SiO2 based)

Fossiliferous Limestone (Chertified Limestone)

Calcium Carbonate (CaCO3) often replaced by Microcrystalline Silica (SiO2)

Mica in Quartz Host

Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)

Folded Schist / Gneiss (Metamorphic Rock)

Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)

Chalcopyrite

Chalcopyrite (CuFeS2)

Green Aventurine

Aventurine (a variety of Quartz, SiO2)

Smoky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Smoky Quartz and Clear Quartz Geode

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Emerald in Matrix

Emerald (Beryllium Aluminum Silicate), Be3Al2(SiO3)6

Pyrite (Iron Pyrite)

Iron Sulfide (FeS2)

Fluorite

Calcium Fluoride (CaF2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Peacock Ore (Chalcopyrite/Bornite)

Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)

Coarse Sand Grain / Lithic Fragment

Clastic Sediment (Lithic fragment or Quartz/Feldspar grain)

Milky Quartz (Quartz Vein)

Silicon Dioxide (SiO2)

Quartz Pebble (Iron-Stained)

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (SiO2 - Silicon Dioxide with aluminum impurities)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Smoky Quartz in Matrix

Silicon dioxide (SiO2) within Pegmatite/Gneiss

Sandstone (with potential mineral staining/concretions)

Arenite (SiO2 based)

Fossiliferous Limestone

Calcite (CaCO3) Rich Bio-sedimentary Rock

Limestone

Calcium Carbonate (CaCO3)

Conglomerate

Conglomerate (Detrital sedimentary rock)

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Chert Pebble with Quartz Veining

Microcrystalline Quartz (SiO2)

Smoky Quartz

Smoky Quartz (SiO ₂)

Siltstone

Siltstone (primarily SiO2, Al2O3)

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Chert (and associated Flint)

Silicon Dioxide (SiO2)

Quartzite Pebble

Metamorphic Quartz (SiO2)

Chert / Flint

Silicon Dioxide (SiO2)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Rhodonite

Rhodonite (Manganese silicate, (Mn,Fe,Mg,Ca)SiO3)

Chert (varieties include Jasper or Flint)

Chert (Microcrystalline Silica, formula: SiO2)

Green Aventurine

Aventurine Quartz (SiO2 + Fuchsite inclusions)

Graywacke (Sandstone)

Graywacke Sandstone

Conglomerate (River Rock Aggregate)

Conglomerate (Lithic-clast conglomerate)

Chert Nodule (Commonly known as a Flint or River Cobble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Flint Nodules)

Chert (Cryptocrystalline variety of Quartz, SiO2)

Banded Chert

Microcrystalline Quartz (SiO2)