close-up of mineral crystals

3888 × 2592

close-up of red crystals

1600 × 1000

Purple mineral specimen with black crystals

3048 × 1744

Yellow mineral crystals on rock

2048 × 1536

green crystals on white matrix

1457 × 1500

Aquamarine crystals on matrix

3648 × 2736

green crystal cluster

3252 × 1736

Layered rock formation

1600 × 1067

Mushroom rock formation

1600 × 900

columnar basalt rock formation

3750 × 1200

Devils Tower rock formation

3008 × 2000

Devils Tower rock formation

1920 × 1200

Sunset over a desert rock formation

2880 × 1620

The Wave rock formation

1600 × 1000

Desert rock formation at sunset

1600 × 1067

Zion National Park rock formation

1600 × 900

The Wave rock formation

1680 × 1050

The Wave rock formation

1920 × 1200

Misty cliff formation

1600 × 1200

Devils Tower National Monument

2560 × 1024