Sedimentary Rock (Possibly Composed Of Various Minerals)

Sandstone

Arenite (Sandstone)

Red Sandstone

Arenite (primarily Quartz and Iron Oxide)

Yellow chalcedony or quartz fragment

Microcrystalline quartz, SiO₂ (tentative; possibly iron-stained chalcedony)

Sandstone

Arenite (primarily SiO2)

Sandstone (Weathered Pebble)

Sedimentary Rock (Quartz arenite)

River Stone / Pebble

Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)

Sandstone

Arenite (SiO2 based)

Sandstone

Sandstone (Quartz-rich sedimentary rock)

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Sandstone or possibly a conglomerate

Arenite (if sandstone)

Sandstone

Arenite (primarily SiO2)

Sandstone

Arenite (SiO2 based)

Chakra Crystal Assortment Pendant

Various mineral species including quartz, aventurine, and lapis lazuli

Sandstone (likely Quartzose)

Sandstone (Principally SiO2)

Sandstone (likely Arkosic or Lithic Sandstone)

Arenite (composed primarily of SiO2 with various lithic fragments)

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone

Arenite (primarily Quartz and Feldspar)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone

Arenite (primarily SiO2)

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Sandstone

Arenite (primarily Quartz-rich)

Sandstone (Quartzose)

Arenite (Siliciclastic sedimentary rock)

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Sandstone

Arenite (primarily SiO2)

Sandstone

Arenite (primarily Quartz-rich sedimentary rock)

Granite

Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)

Sandstone

Arenite (composed primarily of SiO2)

Sandstone

Arenite

Sandstone

Arenite (primarily SiO2)

Sandstone (Quartzose)

Arenite (SiO2 based)

Chalcedony or Chert/Jasper with secondary mineral staining

SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.

Sandstone (Quartzose)

Arenite (primarily SiO2)

Iron-rich breccia or weathered limonite-bearing rock

Goethite–limonite ironstone, possibly ferruginous breccia

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone

Arenite (predominantly SiO2 with iron oxides)

Sandstone

Arenite (SiO2 principal)

Granite

Felsic intrusive igneous rock

Limonite (Iron Ore)

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

Sandstone (with potential iron-oxide staining)

Arenite (primarily SiO2)

Sandstone (likely Quartzite-rich)

Arenite (primarily SiO2)

Sandstone

Arenite (primarily SiO2)