Mineral (Native Element)

Diamond (or Diamond Simulant)

Carbon (C)

Rough Diamond

Carbon (C)

Pink quartz crystal, possibly rose quartz

Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz

Diamond (specifically Blue Diamond color appearance)

Carbon (C) with trace Boron

Diamond

Diamond (pure Carbon, C)

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Native Platinum

Platinum (Pt)

Native bismuth

Bismuth (Bi), commonly artificially crystallized

Native Sulfur

Sulfur (S)

Native Silver

Silver (elemental Ag)

Native copper nugget

Copper (Cu), often with cuprite or copper-oxide surface

Quartz-rich pegmatite specimen

Pegmatite, composed mainly of quartz (SiO₂), with probable feldspar and mica

Sunstone

Plagioclase Feldspar (Na,Ca)(Si,Al)3O8

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Metallic sulfide mineral specimen, possibly pyrite

Likely pyrite (FeS₂), though the photograph is insufficient for certainty

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Gold Ore

Gold-bearing quartz or sulfide matrix (Au)

Sulfur on Rock Matrix

Sulfur (S) on host rock

Likely raw gold-bearing rock or native gold specimen

Possibly native gold (Au); identification is uncertain from the image

Tumbled copper-bearing rock, likely cuprite-rich matrix

Cuprite (Cu₂O) with native copper and iron-oxide matrix; visual identification is provisional

Native copper-bearing rock (probable copper ore)

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

Sulphur

Sulfur (S)

Sulfur Ore

Sulfur (S)

Native gold in quartz (probable)

Gold (Au), with quartz (SiO₂) matrix

Quartz-rich pegmatite specimen

Pegmatite, composed mainly of quartz (SiO₂), feldspar, and minor mica/iron oxides

Quartz-rich pegmatite (likely feldspar–quartz rock)

Granitic pegmatite; chiefly quartz (SiO₂) and feldspar, with minor mica and dark accessory minerals

Spiny Oyster Shell

Spondylus (Calcium Carbonate, CaCO3)

Gold Ore

Native Gold (Au) in Matrix

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Extrusive volcanic rock)

Native silver (probable)

Elemental silver, Ag, likely with oxidized sulfide or copper minerals

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Native Gold

Gold (Au)

Native copper

Copper (Cu), often with malachite, cuprite, or matrix minerals

Native Copper

Copper (Cu)

Arsenic (Native)

Arsenic (As)

Native Sulfur

Sulfur (S8)

Native Gold

Gold (Au)

Diamond

C (Native Carbon)

Sulphur

Sulfur (S)