Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein)

Milky Quartz (Water-worn Pebble)

Silicon Dioxide (SiO2)

Fluorite with Quartz coating

Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)

Grey Jasper (Tumbled Quartz variant)

Jasper (Silicon Dioxide, SiO2)

Quartz (Milky/Gravel variety)

Silicon Dioxide (SiO2)

Banded Slate or Siltstone with Quartz/Calcite Veins

Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)

Quartz (River Pebble)

Quartz (SiO₂ - Silicon Dioxide)

Jasper Conglomerate (Puddingstone)

Jasper Conglomerate (SiO2 matrix with quartz/jasper clasts)

Chert (or Flint)

SiO2 (predominantly microcrystalline quartz)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Quartz on Matrix

Silicon Dioxide (SiO2)

Quartz (Milky or Rough Quartz)

Silicon Dioxide (SiO2)

Granite Cobble

Granite (Phaneritic Quartz-Feldspar Felsic Rock)

Quartz (Milky or Citrine-tinted)

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Painted River Pebble (likely Basalt or Greywacke)

Aphanitic Lithic Clast with Anthropogenic Pigment coating

Quartzite (or Quartz Rich Conglomerate)

Quartzite (SiO2 silicon dioxide)

Greenstone with Quartz Veining

Epidiorite or Metabasalt with SiO2 (Quartz) veins

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide) - SiO2

Quartz (likely milky quartz or a stained variety)

Silicon Dioxide (SiO₂)

Blue Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)

Red Jasper (possibly Carnelian)

Silicon Dioxide (SiO2) with Hematite impurities

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Puddingstone (Gowganda)

Jasper-clast Polymictic Conglomerate (Gowganda Formation)

Puddingstone (Jasper Conglomerate)

Jasper Conglomerate (SiO2 matrix with Fe2O3 inclusions)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Basalt with Quartz/Feldspar Inclusions

Amygdaloidal or Porphyritic Mafic Volcanic Rock with Siliceous Veining

River Rock (River Cobbles)

Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)

Chert (Flint)

Chert (predominantly SiO₂ - silicon dioxide)

Honey Calcite (Yellow Calcite)

Calcium Carbonate (CaCO3)

Milky Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

Milky Quartz (or Vein Quartz)

Silicon Dioxide (SiO2)

Greywacke (River Pebble with Quartz Veins)

Greywacke (Indurated Sandstone); Veins: SiO2 (Quartz)

Chalcedony in Host Rock

Chalcedony (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Quartzite fragment)

Silicon Dioxide (SiO2)

Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles

Mixed gemstones (primarily Silicon Dioxide - SiO2)

Blue Chalcedony (likely dyed Agate)

Silicon Dioxide (SiO₂)

Milky Quartz

Silicon Dioxide (SiO2)

Granite with Quartz Vein

Phaneritic Felsic Igneous Rock (composed of Quartz [SiO2], Feldspar, and Mica)

Smoky Quartz and Biotite Schist

Quartz-Biotite Schist (SiO2 + K(Mg,Fe)3AlSi3O10(F,OH)2)