Cluster of Brown Crystals — Neutral, Photograph

2272 × 1704

Malachite Mineral Formation — Green

3072 × 2304

cluster of quartz crystals

1800 × 1474

cluster of calcite crystals

3200 × 2636

Aquamarine crystals on matrix

3648 × 2736

Orange mineral crystals on rock

4078 × 3207

Layered Rock Formation — Brown, Neutral

1089 × 1600

Red rock formation with layered strata

1200 × 1600

rock formation with overhang

1152 × 768

Layered rock formation in forest

3456 × 2304

Rugged rock formation

2560 × 1600

Basalt Columns at Coast — Gray, Dramatic, Photograph

1920 × 1200