Mineral (Native Element)

Diamond

Carbon (C)

Diamond

Carbon (C)

Sulfur

Native Sulfur (S8)

Honey Calcite

Calcium Carbonate (CaCO3)

Gold Nuggests

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Gold Nugget / Gold-bearing Quartz

Native Gold (Au)

Diamond (Cut Gemstone)

Carbon (C)

Diamond (in Gold Jewelry)

Carbon (C)

Diamond

Carbon (C)

Diamond (faceted)

Diamond (Pure Carbon, C)

Ruby

Corundum (Al2O3 with Chromium traces)

White Sapphire

Corundum (Al2O3)

Native Gold in Quartz Host

Hydrothermal Gold (Au) in Quartz (SiO2)

Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin (CaCO3)

Celestite (Celestine)

Strontium sulfate (SrSO4)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)

Native Copper

Native Copper (Cu)

Gold

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Diamond

Natural Diamond (Carbon, C)

Diamond (in jewelry setting)

Cubic Carbon (C)

Diamond (in Jewelry)

Carbon (C)

Native Copper

Native Copper (Cu)

Native Copper (Penny specimen)

Native Copper (Cu)

Gold-bearing Quartz

Native Gold (Au) in Quartz (SiO2) matrix

Yellow Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

Pink Tourmaline (Rubellite) in Lepidolite

Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)4) in Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Diamond (Cluster Ring)

Carbon (C)

Ruby (Corundum)

Aluminium oxide (Al2O3) with Chromium traces

Native copper nugget

Copper (Cu), commonly with cuprite and copper-oxide alteration

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)

Ruby

Corundum (Al2O3)

Native Copper

Native Copper (Cu)

Diamond

Carbon (C)

Lepidolite Pebble

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

Diamond

Diamond (pure Carbon, C)

Rough Diamond

Diamond (pure Carbon, C)

Raw Diamond

Carbon (C)

Silicon

Crystalline Silicon (Si)

Diamond (in a jewelry setting)

Cubic Carbon (C)

Celestite

Celestine (SrSO4)