mineral specimen

green crystal cluster

3252 × 1736

Purple mineral specimen with black crystals

3048 × 1744

Blue mineral specimen

2694 × 1789

Amethyst and granular mineral cluster

3216 × 1537

green crystals on white matrix

1457 × 1500

Mineral specimen with crystals

2647 × 1845

green crystal mineral specimen

2292 × 2909

blue and gold mineral cluster

1600 × 1200