Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)

Pink Botswana Agate

Silicon Dioxide (SiO₂), a cryptocrystalline variety of Quartz and Chalcedony

Amethyst (Chevron Amethyst)

Amethystine Quartz (SiO2)

Quartz with Chalcedony

Silicon dioxide (SiO2)

Ocean Jasper

Orbicular Jasper (Silicon Dioxide with impurities like Hematite and Chlorite, SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Dendritic Agate (River Pebble)

Silicon Dioxide (SiO2) with Manganese or Iron oxide inclusions

Red Jasper (River Pebble)

Silicon Dioxide (SiO2) with hematite impurities

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Dendritic Agate

Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)

Pink Jade (Dyed Quartzite)

Silicon Dioxide (SiO2) - primarily Quartzite or Quartz

Blue Quartz (Blue Aventurine)

Silicon Dioxide (SiO2) with inclusions (typically crocidolite or dumortierite)

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Bull Quartz (Milky Quartz)

Quartz (Silicon Dioxide - SiO2)

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Chert (and Chert-Jasper mix)

Microcrystalline Quartz (SiO2)

Chalcedony or Chert/Jasper with secondary mineral staining

SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.

Sardonyx Cameo

Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz

Blue Chalcedony

Chalcedony (SiO2)

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Banded Agate

Silicon Dioxide (SiO2)

Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)

Quartz (SiO₂)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Quartz (specifically Milky or Clear Chunk)

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Chert (Black Flint)

Chert (Microcrystalline Quartz, SiO2)

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

Blue Chalcedony

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Riverstone Jasper (Chert variant)

Silicon Dioxide (SiO2)

Blue Lace Agate (Banded Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Chalcedony

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

Chert (specifically Jasper or Flint variety)

Cryptocrystalline Quartz (SiO2)

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with iron and magnesium inclusions

Jasper (Petrified Wood variant)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

Jasper

Silicon Dioxide (SiO2) with impurities

Agate (specifically, a slice of a Blue Lace or Chalcedony Agate nodule)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Pink Granite

Granite (Phaneritic Felsic Igneous Rock)

Orange Aventurine (Sunstone-style Quartzite)

Silicon Dioxide (SiO2) with Goethite or Hematite inclusions