Igneous, Sedimentary, Or Metamorphic (Mineral Based)

Conglomerate

Polymictic Conglomerate

Blue Calcite

Calcium Carbonate (CaCO3)

Sandstone

Arenite (composed primarily of SiO2)

Fossil Coral

Cnidaria Anthozoa (Fossilized)

Banded River Cobble with Mafic Dike

Hydrothermally altered Graywacke or Sandstone with Mafic Intrusion

Quartz / Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Hematite

Iron(III) oxide (Fe2O3)

Pyrite in Matrix (likely Quartz or Schist matrix)

Iron Sulfide (FeS2)

Blue Apatite

Apatite (Ca5(PO4)3(F,Cl,OH))

Blue Calcite

Calcium Carbonate (CaCO3)

Magnetite

Magnetite (Fe3O4)

Glauconitic Sandstone (Greensand)

Glauconitic Sandstone ((K, Na)(Fe3+, Al, Mg)2(Si, Al)4O10(OH)2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Granitic Sand

Detrital sediment (predominantly Quartz, Feldspar, and Mica)

Tumbled Carnelian and Quartz Mix

Silicon Dioxide (SiO2) with iron oxide impurities

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

White Onyx (Marble Onyx)

Calcite (CaCO3) - Banded Calcium Carbonate

Serpentine

Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Quartz (Milky or Grainy Variety)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Copper-bearing Mica Schist

Mica Schist with Native Copper inclusions

Garnet Schist

Almandine Garnet-Mica Schist (X₃Y₂(SiO₄)₃)

Turquoise and Hematite

CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky Variant)

Quartz (Silicon Dioxide, SiO2)

Quartz (Smoky or Clear variety with inclusions)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)