Mineral, Part Of A Rock

Red Quartzite (Strawberry Quartz)

Quartzite (SiO2 with iron oxide inclusions)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Dalmatian Stone

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock)

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)

Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)

Quartz / Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milk Quartz / Massive Quartz)

Silicon Dioxide (SiO2)

Obsidian

Volcanic Glass (Amorphous Silica)

Clear Quartz Cluster

Silicon Dioxide (SiO2)

Ironstone Concretion (Moqui Marble type)

Iron oxide concretion (Goethite/Hematite and Sandstone)

Granitic Sand

Detrital sediment (predominantly Quartz, Feldspar, and Mica)

Chert Pebble with Quartz Veins

Microcrystalline Quartz (SiO2)

Schist

Mica Schist

Unakite (Epidotized Granite)

Unakite; primarily composed of Epidote (Ca2(Al,Fe)3(SiO4)3(OH)), Orthoclase (KAlSi3O8), and Quartz (SiO2)

Greenstone

Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)

Red Sandstone

Arenite (high iron oxide content)

Wishing Stone (Basalt with Quartz Vein)

Basalt containing a microcrystalline quartz (SiO2) or calcite vein

Aventurine

Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)

Ferruginous Sandstone (Red Sandstone)

Arenite with Hematite/Limonite cement

Lava Rock (Basalt)

Basalt (extrusive igneous rock)

Green Schist

Greenschist (composed of Chlorite, Actinolite, and Epidote)

Sandstone (Ferruginous)

Ferruginous Sandstone (SiO2 with Fe2O3)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Manganese-coated Sandstone

Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)

Gold Nugget

Native Gold (Au)

Sandstone

Arenite (composed primarily of Quartz: SiO2)

Sandstone (Quartzite-rich Cobble)

Clastic sedimentary rock (primarily SiO2)

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 based)

Sandstone (Quartzose Pebble)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Quartz-rich)

Arenite (SiO2 based clastic rock)

Sandstone (Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Dyed Agate

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Granodiorite (Gneissic Pebble)

Granodiorite displaying minor foliation

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Mica Schist

Medium-grade regional metamorphic rock (composition varies)

Carnelian

Carnelian (Microcrystalline Quartz, SiO2)

Basalt

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)