Man Made Object (Simulant)

African Turquoise (Jasper)

Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)

Bloodstone / Heliotrope

Silicon dioxide (SiO2) with inclusions

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Rose Quartz

Rose Quartz (SiO₂)

Aventurine (likely Green Aventurine)

Aventurine (a variety of quartz, SiO₂, with common inclusions of fuchsite)

Jasper (yellow/cream variety)

SiO₂ (Cryptocrystalline Quartz)

Obsidian

Volcanic glass

Amethyst

SiO2 (Silicon Dioxide) - a variety of Quartz

Quartz (likely Milky Quartz or Chalcedony)

Quartz (SiO2 - Silicon Dioxide)

Blue Chalcedony and Picture Jasper Beads

Blue Chalcedony (SiO2), Picture Jasper (SiO2)

Pyrite (or Fool's Gold)

Pyrite (FeS₂)

Fuchsite

Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)

Chalcedony

Chalcedony (SiO₂)

Tektite (likely Australite)

Tektite (no specific chemical formula as it's a natural glass of variable composition, mostly SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O, TiO2)

K2 Jasper (Beads)

Granodiorite with Azurite and Malachite

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Red Jasper or Chert

Jasper (SiO2, a variety of chalcedony with iron oxide impurities), Chert (SiO2)

Shungite

Carbonaceous rock (primarily amorphous carbon)

Banded Chert

Chert (a microcrystalline variety of quartz, SiO2 with minor impurities)

Chert (varietal: Jasper or Flint likely, but definitive identification is difficult from image)

SiO₂ (silicon dioxide)

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Gold

Aurum (Au)

Amethyst

Quartz (SiO2) variety

Malachite

Malachite (Cu2CO3(OH)2)

Jasper (likely a variety of Brecciated Jasper or a patterned variety)

Silicon dioxide (SiO2)

Sodalite (blue beads) and Clear Quartz (clear beads)

Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2

Chert (Flint)

Chert (predominantly SiO₂ - silicon dioxide)

Amber

Fossilized Tree Resin (Amorphous Hydrocarbon)

Chert (variant of Flint)

Chert (SiO2)

Chert (or possibly Flint)

Chert (variant: Flint)

Quartz Crystal

Quartz (SiO₂)

Granite

Granite (a felsic intrusive igneous rock)

Halite

Halite (NaCl)

Quartzite

Quartzite (primarily SiO2)

Gneiss (likely)

Gneiss

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.

Fluorite

Calcium Fluoride (CaF2)

Calcite

Calcite (Mineral, Calcium Carbonate - CaCO3)

Chalcedony (Banded/Mottled Variety)

Chalcedony (a cryptocrystalline variety of Quartz, SiO2)

Serpentinite (Serpentine Rock)

Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.

Quartz

SiO₂ (Silicon Dioxide)

Quartzite

Quartzite