Red Crystals on Rock — Dramatic

4288 × 2848

Yellow Mineral Crystals — Neutral

1020 × 698

Green and White Crystals

1280 × 963

Red and White Crystals

1276 × 850

Dark Blue Crystals on Rock

1590 × 1024

Pyrite Mineral Cluster — Gray

1360 × 1024

Crystal Cluster on Rock

1280 × 837

crystalline mineral formation

5184 × 3456

Geode with sand and crystals

1600 × 1200

Green Crystals on Rock — Dramatic, Photograph

1280 × 914

hand holding a rock sample

2848 × 1602

Yellow-green Crystals on Rock

1280 × 946