copper nugget mineral specimen

2272 × 1704

green mineral specimen

1600 × 900

green mineral crystal cluster

3311 × 4061

Gold Nugget with Quartz

3819 × 3667

green and brown mineral specimen

1024 × 802

Copper Mineral Specimen — Brown

3072 × 2304

Red Crystals on Rock — Orange

1923 × 1301

Blue mineral specimen

2504 × 1912

mineral specimen with crystals

2319 × 1770

pyrite mineral specimen

2048 × 1536

Faceted mineral specimen

2122 × 1014

Colorful mineral specimen

1824 × 1551