Mineral (Processed Metal)

Slag (Industrial Byproduct)

Ferrous/Non-ferrous Silicate

Opalite

Synthetic glass / Opaque silicious glass

Granite

Plutonic Igneous Rock

Blue sodalite beads

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

Jasper with Iron Staining

Silicon Dioxide (SiO2) with impurities

Clear faceted gemstone in an ornate metal bracelet

Unidentified transparent faceted stone; possibilities include quartz (SiO₂), zircon (ZrSiO₄), or glass—image alone cannot distinguish them

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

Granite (with Beryl/Aquamarine)

Granite (Feldspar, Quartz, Mica, and Beryl Be3Al2Si6O18)

Tumbled blue-green stone, likely chrysoprase or dyed chalcedony

Cryptocrystalline quartz (SiO₂), possibly nickel-bearing chrysoprase; exact identification requires testing

Faceted Quartz (Rock Crystal)

Crystalline Silicon Dioxide (SiO2)

Unidentified dark mineral/rock fragment

Indeterminate; appearance may fit a sulfide-bearing rock or iron-rich mineral

Likely carnelian ring stone

Carnelian, orange-red variety of chalcedony (microcrystalline quartz, SiO₂)

Pyrite

Iron Sulfide (FeS2)

Limonite (Iron Stone/Iron Ore)

FeO(OH)·nH2O (Hydrous ferric oxide)

Milky Quartz with inclusions

Silicon Dioxide (SiO2)

Blue Impression Jasper beads

Impression jasper (microcrystalline quartz/chalcedony), chiefly SiO₂, with iron-oxide and other mineral inclusions

Native Copper with Malachite/Oxide Coating

Native Copper (Cu)

Pyrite

Iron Sulfide (FeS2)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Bauxite

Bauxite (Al2O3·2H2O mixed with iron oxides)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Botryoidal chrysocolla-rich copper ore

Chrysocolla, hydrated copper phyllosilicate (approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), likely with malachite and quartz/gangue

Quartzite

Quartzite (Primary mineral: Quartz, SiO2)

Clear quartz pendant

Quartz (silicon dioxide, SiO₂)

Celestite (Celestine)

Strontium sulfate (SrSO4)

Gemstone cocktail ring, likely jade and orange chalcedony

Green jade (jadeite, NaAlSi₂O₆, or nephrite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂) with orange chalcedony (microcrystalline SiO₂); identification is visual

Bismuthinite with Chalcopyrite and Quartz

Bismuthinite (Bi2S3) and Chalcopyrite (CuFeS2)

Emerald (green gemstone in a jewelry setting)

Beryl, Be₃Al₂(SiO₃)₆; green color commonly from chromium and/or vanadium

Granite

Intrusive igneous rock

Lepidolite

K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2

Bornite

Cu5FeS4

Celestite (Celestine)

Strontium sulfate (SrSO4)

Copper Ore with Malachite and Chrysocolla

Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

Tourmalinated Quartz

Silicon dioxide with sodium aluminum borosilicate (SiO2 + Na(Al,Fe,Li)3Al6(BO3)3Si6O18(OH)4)

Marble

Recrystallized Calcite (CaCO3)

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

Purple fluorite crystal

Fluorite (calcium fluoride, CaF₂)

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Copper Ore

Chalcopyrite in host rock (CuFeS2)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Milky Quartz

Silicon Dioxide (SiO2)