green crystal mineral specimen

2292 × 2909

crystalline mineral formation

5184 × 3456

vibrant mineral formation

1600 × 1000

Purple crystals against blue sky

1920 × 1200

Aquamarine crystals on matrix

3648 × 2736

Agate stone cross-section

1920 × 1200

cluster of quartz crystals

1800 × 1474

cluster of calcite crystals

3200 × 2636

Blue and green mineral formation

3928 × 2912

Malachite mineral formation

3072 × 2304

blue crystal cluster

1280 × 1024

blue crystal cluster

3840 × 3072

Red topaz crystal on rock

1280 × 950

pyrite mineral specimen

1984 × 1768

pyrite mineral cluster

2570 × 1710

Blue agate geode slice

1863 × 1867

purple and black mineral specimens

2420 × 1576

purple quartz crystal

4288 × 2848

Blue mineral specimen

2504 × 1912

blue mineral specimen

3008 × 2000