Mineral, Variety Of Chalcedony (Microcrystalline Quartz)

Amygdaloidal Basalt

Amygdaloidal Basalt (extrusive volcanic rock with secondary mineral infilling)

Blue Quartzite

Quartzite with inclusions (SiO2)

Quartzite

Quartzite (primarily SiO2)

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Dalmatian Stone (Dalmatian Jasper)

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Quartz (Orangey-white variety)

Silicon Dioxide (SiO2)

Granitic Pegmatite with Schorl

Granitic Pegmatite (NaAlSi3O8, KAlSi3O8, SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Smoky Quartz

Silicon Dioxide (SiO2)

Jasper (Petrified Wood variant)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Red Jasper (Opaque Chalcedony)

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Honey Calcite

Calcium Carbonate (CaCO3)

Quartzite (Yellow/Iron-stained Quartz)

Quartzite (primarily SiO2 with iron oxide impurities)

Banded Agate (specifically Chalcedony nodule)

Agate (Silicon Dioxide, SiO2)

Quartzite with Iron Hydroxide Staining

Quartzite (primarily SiO2) with Limonite/Goethite staining

Chrysocolla

Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O

Flower Jasper

Agatized Fossil Coral / Chalcedony (SiO2)

Quartzite Pebble (with Iron Inclusions)

Quartzite (primarily SiO2 with Fe2O3/FeOOH impurities)

Rose Quartz

Silicon Dioxide (SiO2)

Green Aventurine (Green Quartzite)

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Sandstone

Quartz Sandstone (predominantly)

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert Geode with Quartz Druzy

Microcrystalline Quartz (SiO2) with macrocrystalline Quartz

Granite

Granite (Felsic Plutonic Rock)

Granodiorite

Granodiorite (Phaneritic intrusive igneous rock containing Plagioclase, Quartz, and Biotite/Amphibole)

Red Quartzite

Quartzite (primarily SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Chrysocolla in Quartz (Quantum Quattro variant)

Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) often mixed with SiO2

Aquamarine (Pale variety)

Beryl (Be3Al2Si6O18)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (possibly milky quartz or quartz with inclusions)

SiO2 (Silicon Dioxide)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Granite

Phaneritic Felsic Igneous Rock (Granite)

Red Quartz (Carnelian/Red Jasper Agate)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Dendritic Jasper

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

Quartz (Rose or Milky variety fragment)

Silicon Dioxide (SiO2)

Chert (Iron-Stained)

Microcrystalline Silica (SiO2)

Dalmatian Jasper (Dalmatian Stone)

Perthitic feldspar with Arfvedsonite inclusions

Chert (Yellow or Tan Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Yellow Aventurine

Quartz containing Muscovite or Mica inclusions (SiO2)

Granite

Granite (Phaneritic intrusion / SiO2 + KAlSi3O8 + NaAlSi3O8)

Granite

Granite (composed primarily of Quartz, Feldspar, and Mica)

Chert (Chert Pebble)

Microcrystalline or cryptocrystalline Quartz (SiO2)