Mineral (Chalcedony Variety)

Beryl (Variety: Aquamarine/Green Beryl)

Beryllium Aluminum Silicate (Be3Al2Si6O18)

Muscovite Mica (Golden/Yellow variety)

KAl2(AlSi3O10)(F,OH)2

Amethyst (vibrant lilac/purple variety)

Silicon Dioxide (SiO2) with iron impurities

Orange Quartz (Citrine Quartz variety)

Silicon Dioxide (SiO2)

Basalt

Extrusive mafic igneous rock

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Sandstone (likely Greywacke or Siltstone variety)

Arenite / Siltstone (primarily SiO2)

Obsidian

Obsidian (Volcanic Glass)

Obsidian

Volcanic Glass (SiO2 + minor impurities)

Chert (Jasper/Agate variety)

Cryptocrystalline Quartz (SiO2)

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Nephrite Jade

Nephrite (a variety of the mineral actinolite within the amphibole group); Chemical Formula: Ca2(Mg,Fe)5Si8O22(OH)2

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and mineral impurities

Quartz (Variety: Rose Quartz/Smoky Quartz mix)

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Obsidian

Volcanic Glass (SiO2)

Chert Pebble (Jasper/Quartz variety)

Microcrystalline Quartz (SiO2)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Halite (Rock Salt)

Halite; NaCl (Sodium Chloride)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Granite

Granite (Phaneritic intrusion / SiO2 + KAlSi3O8 + NaAlSi3O8)

Quartz (possibly Citrine or Smoky Quartz variety)

Silicon Dioxide (SiO2)

Chert (Green variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Plagioclase Feldspar (specifically Albite/Oligoclase)

(Na,Ca)(Si,Al)4O8

White Quartz

Silicon Dioxide (SiO2)

Kyanite (in Schist Matrix)

Kyanite (Al2SiO5)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Obsidian

Volcanic glass

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Granite

Phaneritic Felsic Igneous Rock

Schist

Schist (various mineral compositions)

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Chert (also known as Flint or Common Chalcedony)

Cryptocrystalline Silica (SiO2)

Quartzite (specifically Milky Quartz variety)

Quartz (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Basalt with Scoria/Vesicular Texture

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Sandstone (Quartzite-rich Cobble)

Clastic sedimentary rock (primarily SiO2)

Botryoidal Hematite (Kidney Ore)

Hematite (Fe2O3)

Garnet (likely Almandine or Pyrope)

Garnet Group (e.g., Almandine: Fe3Al2(SiO4)3; Pyrope: Mg3Al2(SiO4)3)