Metamorphic Rock (Specifically A Rock Composed Of Minerals)

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

Chert (Jasper or Flint variant)

Chert (composed of microcrystalline quartz, SiO2)

Blue Chalcedony and Picture Jasper Beads

Blue Chalcedony (SiO2), Picture Jasper (SiO2)

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Sandstone

Arenite (primarily SiO2)

Basalt with Iron Oxidation

Aphanitic Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Vesicular Basalt (commonly mistaken for Slag)

Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)

Lapis Lazuli

Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)

Shale

Fissile Mudstone (primarily composed of clay minerals and quartz)

Gneiss

High-grade Metamorphic Gneiss

Sandstone

Arenite (SiO2 based)

Granite

Plutonic felsic igneous rock

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 predominantly)

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene minerals)

Red Aventurine

Aventurine Quartz (SiO2 + Hematite/Goethite)

Yellow Jasper

Jasper, a microcrystalline variety of Quartz (SiO2) with iron inclusions

Greenstone

Metamorphosed Mafic Igneous Rock

Sandstone

Clastic sedimentary rock (primarily SiO2)

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

Gneiss

Gneiss (High-grade metamorphic rock)

Pink Granite

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

Gneiss

Gneiss

Lapis Lazuli

Na8(Al6Si6O24)S2 (composed primarily of Lazurite, Calcite, and Pyrite)

Sandstone

Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)

Quartz (pebble)

Quartz (SiO₂)

Serpentine

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

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Pink Granite

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

Laterite

Laterite (no specific mineral formula as it's a rock type)

Quartzite (specifically a river-worn pebble)

Quartzite (primarily SiO2)

Sandstone

Arenite (primarily SiO2)

Sandstone

Arenite (primarily SiO2 - Silicon Dioxide)

Gneiss (specifically Banded Gneiss)

Gneiss

Agate

Silicon Dioxide (SiO2)

Unakite

Epidotized Granite

Serpentinite

Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)

Schist

Schist (Crystalline metamorphic rock)

Dragon Blood Jasper

Epidote with Pietersite or Red Jasper (Ca2Al2Fe3+[Si2O7][SiO4]O(OH))

Granite Pebble

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

Anyolite (Ruby in Zoisite)

Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))

Sandstone

Arenite (composed primarily of SiO2)