green crystal mineral specimen

2292 × 2909

Desert rose mineral specimen

2592 × 1944

Red and black mineral specimen

1400 × 1171

Mineral specimen with crystals

2700 × 2025

Mineral specimen with crystals

2647 × 1845

Red crystal mineral specimen

3301 × 4000

green crystal cluster

3252 × 1736

Blue mineral specimen in display

1024 × 726

green crystals on white matrix

1457 × 1500

Gold specimen from Eagles Nest Mine

2648 × 3176

blue and gold mineral cluster

1600 × 1200

Amethyst and granular mineral cluster

3216 × 1537

Blue mineral crystals on display

3072 × 2304

fluorescent mineral under UV light

2048 × 1536

Agate stone cross-section

1920 × 1200

dark mineral fragments

3008 × 2000

textured rock surface

1600 × 1200

Mineral specimen with crystals

2894 × 1501

Red crystals on rock specimen

2760 × 1938

red mineral crystals on rock

1100 × 825