Sedimentary Rock (Possibly Composed Of Various Minerals)

Sandstone

Arenite (composed primarily of SiO2)

Granite Pebble

Granite

Sandstone

Arenite (primarily SiO2)

Dalmatian Stone

Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)

Sandstone

Arenite (composed primarily of SiO2)

Schist

Schist (various mineral compositions)

Sandstone Pebbles

Arenite (Sedimentary rock composed of sand-sized grains)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Quartzite

Quartzite (primarily composed of SiO O₂)

Dalmatian Stone

Dalmatian Jasper (actually a Peralkaline Igneous Rock)

Sandstone (Wonderstone)

Silicified Sandstone / Orthoquartzite with Liesegang rings

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

Arenite (composed primarily of SiO2)

Sandstone

Arenite (composed primarily of Quartz, SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Sandstone (Red Arkose)

Sandstone (Arkose variant, primarily SiO2 with KAlSi3O8)

Flagstone (Sandstone)

Clastic Sedimentary Rock (composed of quartz and feldspar)

Dark-colored Igneous Rock (likely Basalt or Diabase)

Basalt (extrusive igneous) or Diabase (intrusive igneous)

Sandstone (with Lichen)

Arenite (primarily SiO2)

Granodiorite

Granodiorite (Quartz-Feldspar-Biotite Plutonic Rock)

Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)

Barite Rose (Desert Rose)

Barium Sulfate (BaSO4)

Amber with inclusion

Amber (Fossilized Tree Resin)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)

Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

Jasper (Mookaite style)

Jasper (Silica-rich Microcrystalline Quartz, SiO2)

Sandstone (with Iron Staining)

Arenite (composed primarily of SiO2 with Fe2O3 staining)

Granite

Phaneritic plutonic rock (composed of quartz, alkali feldspar, and plagioclase)

Sandstone (Greywacke/Lithic Sandstone)

Arenite (composed primarily of SiO2)

Clear Quartz (Carved Merkaba)

Silicon Dioxide (SiO2)

Clear Quartz Cluster

Silicon Dioxide (SiO2)

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Granite Pebble

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

Chert (varietal: Flint Pitted Pebble)

Cryptocrystalline Quartz (SiO2)

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Chalcedony in Matrix

Silicon Dioxide (SiO2)

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Sandstone (with potential Arkose/Lithic characteristics)

Arenite (Sedimentary rock composed of sand-sized grains)