Man Made Object (Metalwork)

Dyed Howlite (simulating Lavender/Purple Jade or Charoite)

Howlite: Ca2B5SiO9(OH)5 (when natural)

Fluorite Bracelet (light green beads) and possibly Lavender Jadeite (purple bead)

Fluorite: CaF₂ (Calcium Fluoride); Jadeite: NaAlSi₂O₆ (Sodium Aluminum Silicate)

Nephrite Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Jasper, Agate, Quartz Mix (Polished Beads)

SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.

Jasper and Aquamarine (likely)

Jasper (Cryptocrystalline Quartz (SiO2)), Aquamarine (Beryl (Be3Al2Si6O18))

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Included Quartz Beads (likely Phantom Quartz or Garden Quartz)

Quartz (SiO2) with various mineral inclusions

Chert (variant of Flint)

Chert (SiO2)

Green Aventurine

Aventurine Quartz (SiO2 with fuchsite inclusions)

Aventurine (Green Aventurine)

Quartz with Fuchsite Inclusions (SiO2)

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Fossil Coral

Fossilized Scleractinia or Tabulata (various genera/species)

Rhodonite

Rhodonite (MnSiO3)

Puddingstone (Jasper Conglomerate)

Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Garnet Beads

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

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Chert (varieties include Flint or Jasper)

Chert (cryptocrystalline quartz; SiO₂)

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Blue Lace Agate

Chalcedony (a form of Quartz) - SiO2

Rose Quartz

Rose Quartz (SiO₂)

Aventurine (likely Green Aventurine)

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

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)

Banded Agate (likely Carnelian Agate or Sardonyx)

Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.

Chert / Flint

Chert (varietal name for microcrystalline quartz). Chemical formula: SiO₂

Agate

Agate (a variety of Chalcedony, SiO2)

Blue Chalcedony and Picture Jasper Beads

Blue Chalcedony (SiO2), Picture Jasper (SiO2)

Pyrite (or Fool's Gold)

Pyrite (FeS₂)

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2 - a variety of actinolite, an amphibole mineral); Jadeite (Na(Al,Fe3+)Si2O6 - a pyroxene mineral)

African Turquoise (Jasper)

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

Chert (or possibly Flint)

Chert (variant: Flint)

Chert (Flint)

Silicon Dioxide (SiO2)

Jasper (yellow/cream variety)

SiO₂ (Cryptocrystalline Quartz)

Serpentine Jade (New Jade/Olive Jade)

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

Shungite

Carbonaceous rock (primarily amorphous carbon)

Red Jasper or Chert

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

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)