Mineral (Specifically A Variety Of Quartz)

Pink Granite

Granite (Felsic Plutonic Rock)

Banded Agate (specifically Sardonyx)

Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz

Chert (Flint)

Microcrystalline quartz (SiO2)

Chrysoprase

Chrysoprase (a variety of Chalcedony, SiO₂)

Chert (Flint variety)

Chert (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Satin Spar (often marketed as Selenite)

Fibrous Gypsum (CaSO4·2H2O)

Epidote (Unakite variety)

Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))

Citrine (tumbled)

Silicon dioxide, SiO2

Chert (specifically a nodule with Chalcendony/Agate banding)

Microcrystalline Quartz (SiO2)

Quartzite

Quartzite (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Ruby

Corundum (Al2O3 with Chromium impurities)

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (Yellow Jasper varieties)

Microcrystalline Quartz (SiO2)

Blue Lace Agate (Tumbled)

Silicon Dioxide (SiO2) with trace minerals

Red Jasper

Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions

Chalcedony (Agate/Chert)

Silicon Dioxide (SiO2)

Agate (specifically Carnelian Agate or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Mixed Quartz Bracelet (Rose Quartz and Larimar-colored beads)

Silicon Dioxide (SiO2) with various inclusions

Milky Quartz

Silicon Dioxide (SiO2)

Banded Agate (specifically Eye Agate / Chalcedony)

Agate (Cryptocrystalline variety of Quartz, SiO2)

Dyed Blue Agate

Silicon dioxide (SiO2) with artificial pigment

Chert (Chert Nodule in Limestone)

Microcrystalline Quartz (SiO2)

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2)

Banded Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Peach Moonstone

Orthoclase Feldspar (KAlSi3O8)

Chert (specifically Black Chert or Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Banded Agate (specifically Sardonyx or Black Agate variety)

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Milky Quartz

Silicon Dioxide (SiO2)

Blue Quartz (Dumortierite Quartz)

SiO2 with inclusion of AlAl6BSi3O18

Red Jasper

Silicon Dioxide (SiO2) - variety Jasper

Flint

SiO2 (Cryptocrystalline Quartz / Chert)

Granite (Pink Orthoclase variety)

Phaneritic intrusive igneous rock (Quartz, Orthoclase, Plagioclase, and Mica)

Jasper

Silicon dioxide (SiO2)

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Apatite group (Ca5(PO4)3(F,Cl,OH))