Mineral (Gemstone Variety Of Beryl)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Red Jasper or Chert

Jasper (SiO2, a variety of chalcedony with iron oxide impurities), Chert (SiO2)

Milky Quartz (Crystal Cluster)

Silicon Dioxide (SiO2) - Quartz Variety

Obsidian

Obsidian (Volcanic Glass)

Olivine (Peridot)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Tiger's Eye

Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2

Banded Agate (specifically Sardonyx Agate)

Silicon Dioxide (SiO2) - Chalcedony variety

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - variety of Chalcedony

Apricot Agate

Silicon Dioxide (SiO2) - Chalcedony variety

Banded Agate (Lake Superior Agate type)

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Yellow Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)

Amber

Succinite (a common variety of fossilized resin)

Flower Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Carnelian Agate

Silicon dioxide (SiO2) - variety of Chalcedony

Banded Agate (specifically Botswana Agate or Water-line Agate)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Red Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Carnelian Agate

Silicon Dioxide (SiO2) - Variety: Chalcedony

Green Banded Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Banded Agate (Tumbled)

Agate (Variety of Chalcedony/Quartz), SiO2

Banded Agate (specifically Botswana Agate appearance)

Silicon Dioxide (SiO2) - variety of Chalcedony

Blue Agate (Dyed)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Carnelian Agate

Silicon Dioxide (SiO2) - Chalcedony variety

Agate Geode / Thunderegg

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Onyx (Black Onyx)

Silicon Dioxide (SiO2) - Chalcedony variety

Black Onyx

Silicon dioxide (SiO2) - Chalcedony variety

Blue Agate (likely Dyed)

Silicon Dioxide (SiO2) - Chalcedony variety

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Agate (Geode nodule fragment)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Dyed Pink Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Rose Quartz Carving

Quartum roseum (Variety of Quartz, SiO2)

Larimar

Pectolite (a variety of pectolite, NaCa2Si3O8(OH))

Banded Agate (Dyed Purple)

Agate (Variety of Chalcedony/Quartz), SiO2

Blue Lace Agate (often dyed)

Silicon dioxide (SiO2) - variety of chalcedony

Blue Lace Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Red Jasper

Silicon Dioxide (SiO2) with Iron impurities

Fluorite (Rainbow Fluorite)

Calcium Fluoride (CaF2)

Milky Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)