Mineral (Processed Alloy)

Pink Granite

Phaneritic intrusive igneous rock with dominant Alkali Feldspar

Turquoise-style beaded bracelet

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly dyed or composite beads

Gold-bearing quartz vein fragment (probable placer gold specimen)

Quartz (SiO₂) with probable native gold (Au) and iron-oxide staining

Lepidolite

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

Native copper-bearing rock (probable copper ore)

Native copper (Cu), likely with cuprite (Cu₂O), malachite (Cu₂CO₃(OH)₂), and iron-oxide matrix

Silicon (Industrial Grade)

Elemental Silicon (Si)

Likely galena-bearing ore

Galena (lead sulfide, PbS), possibly with quartz or calcite gangue

Native Copper

Native Copper (Cu)

Milky quartz crystal

Quartz, silicon dioxide (SiO₂), likely a small prismatic crystal or crystal fragment

Chondrite Meteorite

Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)

Chrysocolla

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O

Weathered copper-bearing sulfide rock (likely bornite/chalcopyrite)

Bornite (Cu5FeS4) and/or chalcopyrite (CuFeS2), with oxidation tarnish

Polished native copper nugget

Native copper (Cu), likely with cuprite/tenorite and iron-oxide alteration

Copper-bearing rock, likely oxidized native copper ore

Native copper (Cu) with copper-oxide/carbonate minerals, possibly chrysocolla, malachite, and cuprite in a limonitic host

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown and oxide-coated

Slate

Foliated Metamorphic Rock (primarily composed of Muscovite, Chlorite, and Quartz)

Gold Nugget

Native Gold (Au)

Diamond ring

Diamond (crystalline carbon, C)

Silver (Native Element)

Silver (Ag) in an alloy of 90% Silver and 10% Copper

Likely raw galena-bearing ore

Galena (PbS), possibly associated with dark sphalerite or matrix minerals

Native copper (probable copper-rich mineral specimen)

Copper, Cu; possibly mixed with cuprite, malachite, and iron-oxide alteration minerals

Blue Celestite

Celestine (Strontium Sulfate, SrSO4)

Cubic Zirconia (CZ) in Gold-Plated Setting

Cubic Zirconium Dioxide (ZrO2)

Native bismuth

Bismuth (Bi), commonly artificially crystallized

Psilomelane (Manganese Ore)

Psilomelane (Ba,H2O)2Mn5O10

Polished druzy quartz specimen

Quartz (SiO₂), likely druzy quartz with possible blue chalcedony or inclusions

Slate

Foliated Metamorphic Slate

Copper Ore (likely Chalcopyrite in Matrix)

Chalcopyrite (CuFeS2)

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Bauxite (Aluminum Ore)

Hydrated aluminum oxides, primarily Al(OH)3, AlO(OH)

Likely raw chalcopyrite or bornite specimen

Chalcopyrite (CuFeS₂), possibly bornite (Cu₅FeS₄)

Likely chalcopyrite-bearing sulfide ore

Chalcopyrite (CuFeS₂), possibly with pyrite and/or sphalerite

Iridescent bismuth crystal

Bismuth (Bi), artificially crystallized and likely oxidized/coated

Sandstone (Red Flagstone)

Clastic sedimentary rock (primarily Quartz - SiO2)

Possible metallic meteorite or iron-nickel bead

Unconfirmed; possible Fe–Ni alloy (kamacite/taenite)

Hematite bead bracelet

Hematite (Fe₂O₃), likely polished or magnetically enhanced beads

Diorite (Salt and Pepper Rock)

Phaneritic Plutonic Diorite; chemical composition roughly 52-63% silica (SiO2)

Iron Meteorite (Candidate)

Iron Meteorite (Siderite)

Galena (lead sulfide)

Galena, PbS

Bismuth Crystal

Bismuth (Bi)

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown and oxide-coated

Rhodochrosite

Manganese Carbonate (MnCO3)