Mineral (Synthetic Paper And Ink Polymorph)

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Turquoise

Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Pyrite

Iron Sulfide (FeS2)

Quartz Geode

Silicon Dioxide (SiO2) within a sedimentary/igneous host

Ironstone Concretions (Ironstone)

Ferruginous Sandstone or Siltstone (Fe2O3)

Pink Granite

Potassium Feldspar-Rich Granite

Honey-colored chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; orange chalcedony colored by iron oxides

Tumbled sodalite (probable)

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

Quartz (Pink/Rose or Hematinoid Quartz)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Olivine (Peridot)

(Mg,Fe)2SiO4

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Agate/Chalcedony)

Silicon Dioxide (SiO2)

Blue Chalcedony

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Garnet

Almandine/Pyrope Garnet (Silicate Mineral Group)

Rhodonite

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Quartz Pebble

Silicon Dioxide (SiO2)

Titanium Coated Quartz (Aura Quartz)

Silicon dioxide with titanium vapor deposition (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Polished Quartz Sphere

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli

(Na,Ca)8(Al,Si)12O24(S,SO4)(Cl)2

Blue Obsidian (Cullet Glass)

Silicon Dioxide (Amorphous Glass)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Amethyst

Quartz (Silicon Dioxide, SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Rose Quartz

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