Mineral And Sedimentary

Sandstone (specifically Picture Sandstone or Wonderstone)

Arenite (composed primarily of SiO2)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock - Arenite

Banded Agate

Sedimentary Cryptocrystalline Quartz (SiO2)

Limonite (Ironstone)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Sandstone (with potential trace fossils)

Clastic sedimentary rock (primarily SiO2)

Sandstone

Arenite (primarily SiO2)

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 based)

Sandstone (Ferruginous)

Arenite (Fe2O3 enriched)

Limonite (Iron Ore)

Limonite (Hydrous ferric oxides), generic formula FeO(OH)·nH2O

Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)

Gneiss (complex silicate composition)

Blue Apatite

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

Limonitic Sandstone (Stained Sandstone)

Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining

Turquoise

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

Turquoise

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

Turquoise

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

Turquoise (Rough Specimens)

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

Quartz

Silicon Dioxide (SiO2)

Ferruginous Sandstone (Red Sandstone)

Arenite with Hematite/Limonite cement

Sandstone

Arenite (predominantly SiO2)

Sandstone (Quartz-rich)

Arenite (composed mainly of SiO2)

Sandstone (likely Quartzose Sandstone)

Arenite (composed primarily of SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Ferruginous Sandstone (with possible Epidote/Chlorite coloring)

Sandstone (SiO2 dominated with Fe2O3 staining)

Smoky Quartz (Herkimer-style)

Silicon Dioxide (SiO2)

Jasper

Jasper (Silicate mineral, SiO2)

Jasper

Jasper (Silicate mineral, SiO2)

Chert (Jasper variation)

Chert (Silicate mineral, SiO2)

Red Jasper

Jasper (Silicate Mineral - SiO2)

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Grey Chalcedony (Tumbled Moon)

Microcrystalline Quartz (SiO2)

Quartz Geode in Sedimentary Matrix

Silicon Dioxide (SiO2) within a limestone/dolostone host

Limestone with Quartz/Calcite Veins

Sedimentary Limestone (CaCO3 with SiO2 or CaCO3 intrusions)

Sandstone (likely Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (Ferruginous)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Sandstone

Arenite (SiO2 primarily)

Dalmatian Jasper

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

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (Lithic Sandstone)

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Turquoise

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