Sedimentary (Jasper), Mineral (Aquamarine)

Turquoise

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

Turquoise in Matrix

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

Turquoise with Pyrite

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)

Turquoise

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

Sandstone (Ferruginous)

Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)

Turquoise

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

Moqui Marble (Shaman Stone)

Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Native Copper

Native Copper (Cu)

Limonite (Iron Ore)

Limonite (̑FeO(OH)·nH₂O)

Quartz Geode with Goethite/Hematite

Silicon Dioxide (SiO2) with Iron Oxides

Opal

Hydrated Silica (SiO2·nH2O)

Fluorite

Calcium Fluoride (CaF2)

Boxwork Quartz / Septarian Jasper

Boxwork (SiO2 with iron oxide inclusions)

Rough Quartz (Alluvial Pebbles)

Silicon Dioxide (SiO2)

Shale or Siltstone

Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)

Limonite (Ironstone)

Limonite (FeO(OH)·nH2O)

Sandstone

Arenicola (comprising mostly Quartz, SiO2)

Gneiss

Gneiss (High-grade metamorphic rock)

Pebble (likely Quartz or Chert)

SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Sandstone (likely Quartz Sandstone)

Arenite (composed primarily of SiO2)

Sandstone (with potential fossil inclusions)

Clastic sedimentary rock (primarily SiO2)

Fluorite

Calcium Fluoride (CaF2)

Sandstone Concretion with Quartz Center

Sedimentary Clastic Rock (SiO2 matrix with Quartz core)

Sandstone (likely Graywacke or Lithic Sandstone)

Clastic Sedimentary Rock

Shale

Lutaceous Sedimentary Rock

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)

Sandstone

Arenite

Sandstone (Greywacke/Siltstone variant)

Arenite / Wacke (SiO2 with diverse mineral inclusions)

Sandstone (likely Iron-rich or Arkosic)

Arenite (SiO2 with FeO(OH) or Fe2O3 staining)

Sandstone

Arenite (SiO2 principal)

Milky Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Sandstone (likely Ferruginous)

Sandstone (SiO2 with iron oxides)

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss (specifically Banded Gneiss)

Gneiss

Bauxite

Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))

Sandstone (likely Quartzose Sandstone)

Arenite (composed primarily of SiO2)

Limonite (Ochreous)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Sandstone

Arenite

Sandstone

Sandstone (various mineral compositions)