Man Made Object (Simulant)

Blue calcite

Calcite (CaCO₃), likely blue variety

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Titanium Coated Aura Quartz (Apple Aura Quartz)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating

Malachite

Copper Carbonate Hydroxide, Cu2CO3(OH)2

Chert / Flint

Chert (varieties include Flint)

Marble

Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)

Moldavite

Silica glass with small amounts of aluminum, iron, and other elements

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron-related defects

Amethyst

SiO2 (Silicon Dioxide)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Anthracite Coal

Anthracite (high-rank coal)

Amber

Fossilized tree resin (not a true mineral as it is organic and amorphous); Chemical formula is highly variable, but often approximated as C10H16O.

Green Aventurine

Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions

Tiger’s eye

Quartz variety, primarily silicon dioxide (SiO₂); fibrous quartz pseudomorph after crocidolite asbestos

Bronzite

MgSiO3 (Enstatite with 10-30% FeSiO3 in solid solution)

Obsidian (in jewelry setting)

Volcanic Glass (Amorphous Silica)

Onyx

Onyx (a variety of Chalcedony, SiO₂)

Obsidian

Obsidian (volcanic glass), predominantly amorphous SiO₂

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Iron Meteorite

Iron-Nickel Meteorite (primarily composed of kamacite and taenite alloys)

Rutilated Quartz

SiO2 (Quartz) with TiO2 (Rutile inclusions)

Green Aventurine

Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)

Jade

There are two distinct minerals classified as Jade: Jadeite (Na(Al,Fe3+)Si2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the image showing translucent, somewhat fibrous material, it is likely Nephrite.

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Amazonite

Amazonite (KAlSi3O8, a variety of Microcline)

Cullet Glass (Industrial Slag Glass)

Amorphous Silica (SiO2) with metallic oxide impurities

Quartz (Pebble)

Quartz (SiO₂)

Bornite (peacock ore), likely with chalcopyrite

Bornite, Cu5FeS4; associated copper sulfides may include chalcopyrite, CuFeS2

Diamond

Diamond (pure carbon, C)

Tumbled orange chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; iron-bearing variety commonly termed carnelian

Carved serpentine wing sculpture

Serpentine-group rock, chiefly antigorite/lizardite: Mg3Si2O5(OH)4

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)

Chrysoprase

Chalcedony (cryptocrystalline quartz) with nickel inclusions; SiO2

Peacock ore (iridescent chalcopyrite, possibly bornite)

Chalcopyrite, CuFeS₂; the iridescent surface may be natural tarnish or artificial acid treatment. Similar material is bornite, Cu₅FeS₄.

Polished green serpentine (likely antigorite-rich)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible chlorite, magnetite, and talc

Glazed Ceramic Tile

Fused Silicate-Clay composite

Polished white chalcedony or milky quartz pebble

Chalcedony, microcrystalline quartz (SiO₂), possibly with iron-oxide staining or a minor mineral inclusion

Aventurine (likely Green Aventurine)

Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)

Carnelian

Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Tiger's Eye

Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)