Sedimentary (Processed Mineral Product)

Grey Chalcedony (Tumbled Moon)

Microcrystalline Quartz (SiO2)

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (likely Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Limestone with Quartz/Calcite Veins

Sedimentary Limestone (CaCO3 with SiO2 or CaCO3 intrusions)

Sandstone

Arenite (SiO2 primarily)

Dalmatian Jasper

Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)

Sandstone (Ferruginous)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Turquoise

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

Limonite (with Pyrite)

Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O

Petrified Wood

Silicified Wood (SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Grey River Stone (Gneiss/Schist mix)

Foliated Metamorphic Rock (variable mineral formula)

Quartz (Milk Quartz / Massive Quartz)

Silicon Dioxide (SiO2)

Yellow Aventurine

Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (Lithic Sandstone)

Chert (Flint variety)

Silicon Dioxide (SiO2)

Fluorite

Fluorite (Calcium Fluoride - CaF2)

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 oxides)

Sandstone

Arenite (primarily SiO2)

Goethite (Iron Ore)

Goethite (FeO(OH))

Ferruginous Sandstone (Gozzan)

Iron-rich clastic sedimentary rock with Limonite/Goethite

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

Sandstone Pebble

Arenite (primarily SiO2)

Kaolinite (Chalky Clay)

Kaolinite (Al2Si2O5(OH)4)

Nephrite Jade

Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2

Sandstone (Micaceous)

Arenite (primarily SiO2 with Phyllosilicates)

Sandstone Concretion

Clastic sedimentary rock (primarily Silica, SiO2, or Calcium Carbonate, CaCO3)

Sandstone (with potentially high Feldspar/Arkose content)

Clastic sedimentary rock (SiO2 dominated)

Sandstone

Arenite (SiO2 based with mineral cement)

Dalmation Stone

Peralkaline Rock (SiO2 with Arfvedsonite)

Sandstone (Red Sandstone / River Stone)

Arenite (composed primarily of Quartz, SiO2, with Iron Oxide cementation)

Fluorite (Green Fluorite)

Fluorite (Calcium Fluoride, CaF2)

Conglomerate

Conglomerate (Sedimentary rock)

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily Quartz with Limonite/Goethite staining)

Limonite and Goethite (Ironstone)

Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Sandstone (Graywacke)

Clastic Sedimentary Rock (Lithic Sandstone)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Cinnabar

Mercury(II) sulfide (HgS)

Sandstone (Beach Pebble)

Clastic sedimentary rock (primarily Quartz and Feldspar)