Mineral Within Sedimentary Rock

Quartz on Host Rock

Silicon Dioxide (SiO2)

Sandstone Concretion

Arenaceous concretion (primarily SiO2 with Fe2O3 staining)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Agate (specifically Chalcedony nodule)

Silicon Dioxide (SiO2)

Sandstone

Arenite (Siliclastic sedimentary rock, primarily SiO2)

Banded Agate (Tumbled)

Cryptocrystalline Quartz (SiO2)

Quartz Geode

Silicon Dioxide (SiO2) within a geode

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

Turquoise

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

Quartz Geode

Crystalline Silicon Dioxide (SiO2) within a nodule

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Biotite Gneiss

Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)

Moqui Marble (Shaman Stone)

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

Pyrite (on host rock)

Iron Sulfide (FeS2)

Quartz Veinated Sandstone or Siltstone

Silicon Dioxide (SiO2) within a clastic sedimentary matrix

Pink Granite

Phaneritic Plutonic Felsic Igneous Rock (Granite)

Conglomerate

Conglomerate (Clastic sedimentary rock)

Chert (Flint)

Microcrystalline Quartz (SiO2)

Ferruginous Sandstone

Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)

Concretion

Septarian concretion (likely containing Calcite or Siderite)

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Geode (Chert or Quartz Nodule)

Silicon Dioxide (SiO2)

Jasper (Yellow Jasper)

Silicon Dioxide (SiO2) with iron inclusions

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Septarian Nodule

Septarian concretion (Complex mixture of Siderite/Limestone, Calcite, and Aragonite)

Septarian Nodule (Septarian Dragon Stone)

Septarian Concretion (CaCO3 + Al2Si2O5(OH)4)

Ironstone Concretion (Moqui Marble variety)

Ferruginous Sandstone Concretion

Dalmatian Stone

Peralkaline Feldsphathic Igneous Rock

Agate

Silicon Dioxide (SiO2)

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

Sandstone (specifically Picture Sandstone or Wonderstone)

Arenite (composed primarily of SiO2)

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Ruby in Kyanite

Al2O3 (Corundum) in Al2SiO5 (Kyanite-Fuchsite-Quartz)

Garnet Schist or Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Concretion with Quartz Veining

Septarian Concretion (CaCO3 / SiO2)

Sandstone Pebble

Arenite (primarily SiO2)

Turquoise

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

River Pebble (Likely Chert or Fine-Grained Sandstone/Quartzite)

Siliciclastic clast (likely Chert or Quartzarenite/Quartzite pebble)

Turquoise

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

Turquoise

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