Mineral (Chalcedony Variety)

Jasper (Iron-rich)

Silicon Dioxide (SiO2) with Fe2O3 (Hematite) inclusions

Red Jasper (River Polished Quartzite)

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) impurities

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities

Red Jasper (River Pebble)

Jasper (Silicon Dioxide, SiO2)

Jasper (with Agate/Chalcedony inclusions)

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2)

Jasper (Iron-rich Microcrystalline Quartz)

Silicon Dioxide (SiO2) with Hematite inclusions

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities

Red Jasper

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Banded Calcite (often marketed as Mexican Onyx or Onyx Marble)

Calcite (Calcium Carbonate, CaCO3)

Quartz Pebble (Chalcedony/Agate)

Silicon Dioxide (SiO2)

White Agate (resembling Bone Chalcedony)

Cryptocrystalline Quartz (SiO2)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Quartz Geode

Silicon Dioxide (SiO2)

Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.

Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.

Red Jasper

Silicon Dioxide with Iron Oxide (SiO2)

Red Jasper

Jasper (SiO2) with Hematite (Fe2O3) inclusions

Jasper

Silicon dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron impurities

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Tree Agate

Silicon Dioxide (SiO2) with Chlorite inclusions

Black Jasper (Black Stone / River Pebble)

Silicon Dioxide (SiO₂), Opaque variety of Chalcedony

Yellow Jasper

Chalcedony (SiO2) with goethite or limonite inclusions

Quartz (Variety: Citrine or Tumbled Chalcedony)

Silicon Dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper

Silicon dioxide (SiO2) with impurities

Jasper (Yellow/Brown variety)

Silicon Dioxide (SiO2) with iron oxide impurities

Jasper

Silicon Dioxide (SiO2)

Quartz Pebble (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Dragon Blood Jasper

Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))

Yellow Chalcedony (Agate/Chert)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Jasper (Sedimentary variety)

Silicon Dioxide (SiO2) with impurities

White Chalcedony (likely Common Opal or Milky Quartz)

Silicon Dioxide (SiO2)

Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')

Calcite (Calcium Carbonate, CaCO3)

Chert (specifically Jasper)

Silicon dioxide (SiO2) with iron oxide inclusions

Jasper

Silicon Dioxide (SiO2)

Aquamarine

Aquamarine (Beryl variety) - Be3Al2(Si6O18)

Banded Agate (specifically Mexican Lace Agate variety appearance)

Silicon Dioxide (SiO2 / Chalcedony)

Jasper

Silicon Dioxide (SiO2) with iron oxide impurities