Mineral (Processed Metal)

Greenstone / Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Gold Ore

Native Gold (Au) in Matrix

Iron-rich breccia or weathered ironstone

Goethite–hematite-bearing ferruginous rock, possibly limonite

Lepidolite

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

Polished garnet beads

Garnet group, commonly almandine–pyrope solid solution (approximately Fe₃Al₂(SiO₄)₃–Mg₃Al₂(SiO₄)₃)

Man-made Jewelry (Metal and Glass/Plastic)

Synthetic Alloy and Amorphous Solid (SiO2/Polymer)

Granite

Phaneritic Plutonic Felsic Rock

Pyrite

Iron Sulfide (FeS2)

Gold Nugget

Native Gold (Au)

Likely rose quartz or quartz-rich stone

Quartz, silicon dioxide (SiO₂); pink coloration may reflect trace iron, titanium, or inclusions

Tumbled pale-yellow chalcedony (possibly yellow jasper)

Microcrystalline quartz, SiO₂; chalcedony/jasper varieties

Dyed Blue Agate

Chalcedony (Silicon Dioxide / SiO2)

Clear quartz (likely quartz crystal fragment)

Quartz, silicon dioxide (SiO₂)

Possible sodalite-bearing rock

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂, likely in a feldspathic matrix

Serpentine (Serpentinite)

Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Bismuth Crystal

Bismuth (Bi)

Quartz-bearing Ore (likely Gold-bearing Quartz)

Quartz (SiO2) with potential sulfide mineralization (Pyrite/Arsenopyrite)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Granite

Phaneritic Felsic Igneous Rock

Bauxite

Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))

Rose quartz (likely)

Quartz, silicon dioxide (SiO₂), cryptocrystalline to crystalline variety

Carved serpentine wing sculpture

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

Granite

Granite (Felsic Plutonic Rock)

Biotite-bearing metamorphic rock, likely gneiss or schist

Mica-rich quartz–feldspar gneiss/schist; exact identification requires testing

Tumbled quartz

Quartz (silicon dioxide, SiO₂)

Tumbled quartz crystal

Quartz (silicon dioxide, SiO₂)

Black spinel bead bracelet

Spinel (magnesium aluminate), MgAl₂O₄

Blue tumbled stone, possibly sodalite

Likely sodalite (Na₈(Al₆Si₆O₂₄)Cl₂); identification is uncertain from the image

Tumbled quartz (likely rose or milky quartz)

Quartz, silicon dioxide (SiO₂)

Tumbled milky quartz

Quartz (SiO₂), microcrystalline or massive variety

Pink tourmaline (rubellite)

Elbaite tourmaline, lithium sodium aluminum borosilicate: Na(Li1.5Al1.5)Al6(BO3)3Si6O18(OH)4

Green glassy gemstone-like specimen

Likely synthetic glass or treated quartz; exact identification requires testing

Cabochon gemstone ring, likely smoky quartz or tourmaline

Unconfirmed quartz (SiO₂) or brown tourmaline (dravite); visual identification is inconclusive

Mixed gemstone jewelry collection

Likely amethyst, rose quartz or pink tourmaline, smoky quartz, and dark tourmaline/onyx; exact identifications are uncertain from the image

Iron-stained quartz vein in altered host rock

Quartz (SiO₂) with iron oxides/hydroxides, likely hematite and goethite; host rock uncertain from the image

Quartz and Limestone Grouping

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Lepidolite with Rubellite Tourmaline

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

Pallasite Meteorite

Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)

Native Silver

Silver (elemental Ag)

Quartzite

Metamorphosed Sandstone (primarily SiO2)

Amethyst and mixed gemstone bracelet

Amethyst: purple quartz, silicon dioxide (SiO₂); likely accompanied by other quartz or decorative mineral beads

Granite countertop with a small pale mineral fragment

Granite; predominantly quartz, feldspar, and mica