Colorful mineral specimen

1824 × 1551

Bismuth crystal specimen

1024 × 768

Pyramidal Mineral Specimen

1280 × 853

Red Crystal Cluster — Dramatic, Photograph

3301 × 4000

Shiny Mineral Specimen — Pink

3456 × 2304

Blue Mineral Specimen — Dramatic, Photograph

2504 × 1912

yellow crystal mineral specimen

1774 × 1800

Green Mineral Cluster — Natural

2592 × 1944

Blue Crystals on Rock

3072 × 2304

Mineral Crystals on Rock

2319 × 1770

pyrite mineral specimen

2048 × 1536

Faceted mineral specimen

2122 × 1014