Mineral (Native Element Alloy)

Sandstone (Quartzose Sandstone)

Arenite (SiO2 based)

Chalcopyrite

Copper iron sulfide (CuFeS2)

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Gold Nugget

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Diamond (or Diamond Simulant)

Native Carbon (C)

Brimstone (Native Sulfur)

Native Sulfur (S)

Diamond

Natural Diamond (Carbon, C)

Diamond (in jewelry setting)

Cubic Carbon (C)

Diamond (in Jewelry)

Carbon (C)

Natural gold nuggets

Native gold (Au)

Fluorite

Calcium Fluoride (CaF2)

Gold Nugget

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Cupronickel (on a 1981 Mexico 20 Pesos coin)

Copper-Nickel Alloy (Cu75Ni25)

Lepidolite in Pegmatite

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

Nugget of Native Silver

Native Silver (Ag)

Celestite

Celestine (SrSO4)

Yellow Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

Gold Nugget

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Diamond (Cluster Ring)

Carbon (C)

Ruby (Corundum)

Aluminium oxide (Al2O3) with Chromium traces

Gold Nugget

Native Gold (Au)

Native Copper in Matrix

Native Copper (Cu)

Fossilized Bone Fragment

Permineralized Skeletal Element (Likely Vertebrate)

Mica-rich pegmatite

Granitic pegmatite composed mainly of muscovite mica, quartz, and feldspar

Gold

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Gold Flakes

Native Gold (Au)

Gold

Native Gold (Au)

Gold Nugget Cluster

Native Gold (Au)

Gold

Native Gold (Au)

Gold Ore

Native Gold (Au)

Gold Placer (Gold Flakes and Nuggets)

Native Gold (Au)

Gold Flake

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Gold Flake (Placer Gold)

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Gold Nuggest

Native Gold (Au)

Diamond

C (Native Carbon)

Gold Nugget

Native Gold (Au)