Mineral (Native Element)

Diamond

Diamond (pure Carbon, C)

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Diamond

Native Carbon (C)

Native copper-bearing rock (probable copper ore)

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

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

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 (or Diamond Simulant)

Carbon (C)

Pegmatitic mica-quartz-feldspar specimen

Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica

Tumbled copper-bearing rock, likely cuprite-rich matrix

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

Native gold in quartz (probable)

Gold (Au), with quartz (SiO₂) matrix

Native Copper

Copper (Cu)

Metallic sulfide mineral specimen, possibly pyrite

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

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Likely raw gold-bearing rock or native gold specimen

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

Diamond

Native Carbon (C)

Diamond

Carbon (C)

Native bismuth

Bismuth (Bi), commonly artificially crystallized

Native Sulfur

Sulfur (S)

Native Silver

Silver (elemental Ag)

Copper-bearing rock, likely native copper in a weathered matrix

Native copper (Cu), tentatively with copper sulfide/oxide minerals

Spiny Oyster Shell

Spondylus (Calcium Carbonate, CaCO3)

Cuprite

Cuprite (Copper(I) oxide, Cu2O)

Chrysocolla in Cuprite / Mixed Copper Ore

Hydrated copper silicate and copper(I) oxide, (Cu,Al)2H2Si2O5(OH)4·nH2O and Cu2O

Turquoise (Rough)

Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O

Iron-rich sulfide ore (likely pyrite-bearing rock)

Likely pyrite (FeS₂) with dark host rock; exact identification is uncertain from the image alone.

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

Gold Ore

Native Gold (Au) in Quartz or Silicate matrix

Raw Topaz (or Smoky Quartz)

Al2SiO4(F,OH)2 / Silicon Dioxide (SiO2)

Amygdaloidal Basalt

Extrusive mafic igneous rock with amygdules

Silver-colored mica schist

Muscovite–quartz schist, possibly with biotite

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Native silver (probable)

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

Raw fluorite-bearing rock, possibly fluorite in quartz/calcite matrix

Fluorite (CaF₂), with likely quartz (SiO₂) and/or calcite (CaCO₃) gangue

Lepidolite

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

Arfvedsonite in Matrix

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]

Gold Ore

Native Gold (Au) in Matrix

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Turquoise

CuAl6(PO4)4(OH)8·4H2O