Metamorphic Rock (Primarily Composed Of Minerals)

Sandstone (Quartzose)

Arenite (Siliciclastic sedimentary rock)

Granite

Phaneritic Plutonic Felsic Rock

Sandstone (Pebble)

Sandstone (arenite, arkose, wacke depending on composition)

Sandstone (Wonderstone)

Arenite (composed primarily of SiO2 with Fe2O3 impurities)

Sandstone

Arenite (primarily SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Jasper Conglomerate (Puddingstone)

Siliceous Conglomerate (Quartz and Jasper clasts in a fine-grained matrix)

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Red Sandstone / River Stone)

Arenite (composed primarily of Quartz, SiO2, with Iron Oxide cementation)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Giallo Ornamental Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Sandstone (Quartzose Sandstone)

Arenite

Granite

Plutonic felsic igneous rock

Unakite (Tumbled)

Epidotized Granite

Quartz

Quartz (SiO₂)

Quartzite

Quartzite (composed mainly of SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Schist

Mica Schist

Granite Cobble

Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Greenstone / Diabase Porphyry

Porphyritic Diabase (Micro-gabbro)

Granitic Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss (with Quartzite and Biotite)

Gneiss containing SiO2 (Quartz), K(Mg,Fe)3AlSi3O10(OH)2 (Biotite), and (K,Na,Ca)AlSi3O8 (Feldspar)

Unakite

Epidote-Feldspar rock (specifically, a variety of granite)

Red Sandstone (Arkose)

Clastic Sedimentary Rock (Lithic Arkose)

Sandstone (Quartzite-rich Pebble)

Arenite (composed primarily of SiO2)

Gneiss (Metamorphic Rock)

Gneiss

Sandstone

Arenite (composed primarily of SiO2)

Limestone

Sedimentary rock composed of Calcium Carbonate (CaCO3)

Garnet Schist

Almandine-Muscovite Schist

Quartzite

Quartzite (primarily SiO2)

Gneiss (specifically a weathered or stream-worn specimen)

Gneiss (Foliated Metamorphic Rock)

Gneiss with Quartz Vein

Gneiss containing Quartz (SiO2) filler

Dragon Blood Jasper

Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))

Gneiss (specifically a Banded Gneiss pebble)

Gneiss (High-grade Regional Metamorphic Rock)

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Greenstone

Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)

Granite Pebble

Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica/amphibole)

Granitic Gneiss

Gneiss (High-grade regional metamorphic rock)

Green Quartzite

Quartzite (primarily SiO2 with chlorite inclusions)

Pink Granite

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