Gold Nugget with Quartz

3819 × 3667

natural gold nugget

1238 × 934

Gold Nugget — Dramatic

3485 × 2785

copper mineral specimen

4288 × 2848

Gold Nugget

1241 × 1800

Blue Mineral Specimen — Dramatic, Photograph

2504 × 1912

Copper Mineral Specimen — Brown

3072 × 2304

Green Mineral Cluster — Natural

2592 × 1944

pyrite mineral specimen

2048 × 1536

Faceted mineral specimen

2122 × 1014

Colorful mineral specimen

1824 × 1551

Mineral specimen with black and yellow crystals

2000 × 1550