Purple crystal specimen

4288 × 2848

green mineral cluster

3677 × 2781

green crystal mineral specimen

2292 × 2909

crystalline mineral fragments

1757 × 1181

cluster of calcite crystals

3200 × 2636

Close-up of layered mineral formation

1920 × 1200

Agate stone cross-section

1920 × 1200

Calcite crystal cluster

3072 × 2304

purple and white mineral cluster

2666 × 1800

blue crystal mineral specimen

817 × 1309

yellow crystal mineral specimen

1774 × 1800

Blue crystal mineral specimen

3072 × 2304

mineral specimen with crystals

2319 × 1770

Mineral specimen with black and yellow crystals

2000 × 1550

Fern-like mineral specimen

2746 × 4279

Blue mineral specimen

2504 × 1912

blue mineral specimen

3023 × 2602

crystalline mineral specimen

2560 × 1920

Iridescent mineral specimen

1824 × 1551

pyrite mineral specimen

5356 × 3229