Man Made Material (Anthro Lithic Product)

Chalk

CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)

Sea Glass (Cobalt Blue)

Amorphous Silica (Glass with Cobalt additives)

Cullet Glass (Strawberry Glass)

Amorphous Silicon Dioxide (SiO2) with metallic dopants

Obsidian

Obsidian (volcanic glass)

Sea Glass (Teal/Turquoise)

Amorphous Silica (SiO2) with trace metal oxides

Sea Glass (Turquoise/Aqua)

Amorphous Silica (SiO2) with transition metal dopants

Chert

Chert (microcrystalline quartz)

Obsidian

Obsidian (volcanic glass, amorphous silica rich rock)

Fossiliferous Limestone

Limestone (composed primarily of calcite with included fossils CaCO3)

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Chert (variant of Flint)

Chert (SiO2)

Mixed Gemstone Beaded Jewelry

Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)

Rose Quartz Carving

Quartum roseum (Variety of Quartz, SiO2)

Apatite

Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))

Agate (specifically, multi-colored or pastel-dyed agate)

Silicon dioxide (SiO2) - specifically, a cryptocrystalline variety of quartz known as Chalcedony, with banding classified as Agate. (If it were Fluorite, the chemical formula would be Calcium Fluoride - CaF2).

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Blue Chalcedony and Picture Jasper Beads

Blue Chalcedony (SiO2), Picture Jasper (SiO2)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

Diamond Plate (Steel)

Alloyed Carbon Steel or Aluminum with 'Durbar' pattern

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)

Green Aura Quartz (Titanium treated Kyanite or Quartz)

Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating

Sea Glass (Uranium/Vaseline Glass variant)

Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)

Quartz

Silicon Dioxide (SiO₂)

Glazed Ceramic Tile

Fused Silicate-Clay composite

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

Slag Glass (Cullet)

Amorphous Silica / Glass residue

Ferrosilicon Slag (Industrial Vitrified Glass)

Vitreous Silicate Residue

Blue Goldstone

Aventurine Glass

Synthetic Costume Glove (Paws)

Polyethylene terephthalate (Polyester) & Polyurethane blend

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Lapis Lazuli

A metamorphic rock primarily composed of lazurite (Na,Ca)8[(S,SO4,Cl)2|(Al6Si6O24)], calcite (CaCO3), and pyrite (FeS2).

Red Coral

Corallium rubrum (for precious red coral), although other species like Corallium japonicum and Paracorallium are also used.

Pumice

Pumice (volcanic rock)

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

United States Quarter Dollar

Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)

Chert (or possibly Flint)

Chert (variant: Flint)

Basalt

Basalt (Mafic volcanic rock)

Metallic Ornament / Jewelry

N/A - This is an artificial object, not a geological specimen.

Chert Arrowhead

Microcrystalline Quartz (SiO2)