Gold on quartz specimen

2974 × 2912

Colorful crystal formation

2492 × 3276

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

blue mineral specimen

3023 × 2602

crystalline mineral specimen

2560 × 1920

green mineral specimen

1600 × 900

Bismuth crystal specimen

1024 × 768

Red crystals on rock specimen

2760 × 1938

Gold specimen from Eagles Nest Mine

2648 × 3176

Malachite mineral formation

3072 × 2304

Amethyst and turquoise crystal cluster

1594 × 2126

Blue aquamarine crystal cluster

1800 × 1784

Calcite crystal cluster

3072 × 2304

Red mineral crystal cluster

960 × 640

amber gemstone specimen

2000 × 1560

black mineral specimen

2000 × 1500