Igneous, Sedimentary, Or Metamorphic (Mineral Based)

Magnetite

Magnetite (Fe3O4)

Mahogany Obsidian

Volcanic glass containing Magnetite/Hematite

Greenstone

Metabasalt / Greenschist facies rock

Biotite Schist with Garnet

Garnet-Biotite Schist

Biotite / Black Mica

Biotite K(Mg,Fe)3AlSi3O10(F,OH)2

Sunstone with Black Tourmaline (Arfvedsonite)

Feldspar (Na,Ca)(Al,Si)4O8 with Schorl Na(Fe3+)3Al6(Si6O18)(BO3)3(OH)3(OH)

Bull Quartz (White Quartz)

Silicon Dioxide (SiO2)

Epidote

Epidote - Ca2(Al,Fe)3(SiO4)3(OH)

Mica Schist

Crystalline Schist (often containing Muscovite, Biotite, and Quartz)

Sandstone

Arenite (SiO2 based with various cements)

Sandstone (Quartz-rich)

Arenite (SiO2 based clastic rock)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Sandstone (with potentially metamorphic or basaltic bands)

Arenite / Lithic Wacke

Garnet (specifically Almandine)

Almandine - Fe3Al2(SiO4)3

Quartz (Milky/Crystal Variety)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous)

Sandstone (mainly SiO2 with Fe2O3 staining)

Gold Nugget

Native Gold (Au)

Mica (likely Muscovite)

Muscovite / KAl2(AlSi3O10)(OH)2

Quartz (Milky/Crystalline variety)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Biotite (Black Mica)

Biotite [K(Mg,Fe)3(AlSi3O10)(F,OH)2]

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)

Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Kyanite (within Quartz)

Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)

Sandstone (Weathered)

Arenite (primarily SiO2)

Pyrite (on the right) and Magnetite or Hematite (on the left)

Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)

Pyrite

Pyrite (Iron Disulfide), FeS2

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Quartz

Silicon Dioxide (SiO2)

Red Sandstone

Arenite (with Iron Oxide / Hematite cementation)

Muscovite Schist

Mica Schist (primarily KAl2(AlSi3O10)(OH)2)

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Pyrite

Iron Disulfide (FeS2)

Sandstone

Arenite (primarily SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Collection of Minerals and Ores

Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)

Pyrite

Iron Sulfide (FeS2)

Clear Quartz (Carved Merkaba)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz / Milky Quartz

Silicon Dioxide (SiO2)