black rock mineral specimen

1280 × 960

dark rock specimen

1824 × 1648

Faceted mineral specimen

2122 × 1014

Mineral specimen with black and yellow crystals

2000 × 1550

mineral specimen with crystals

2319 × 1770

blue mineral specimen

3023 × 2602

blue crystal mineral specimen

817 × 1309

crystalline mineral specimen

2560 × 1920

yellow crystal mineral specimen

1774 × 1800

Blue crystal mineral specimen

3072 × 2304

green mineral specimen

1600 × 900

Red crystals on rock specimen

2760 × 1938

Pyrite Mineral Cluster — Gray

1360 × 1024

green mineral crystal cluster

3311 × 4061

Red-orange mineral crystals

3008 × 2000

Ammonite fossil specimen

3888 × 2592

cracked stone surface

1920 × 1080

cluster of orange crystals

1944 × 1296

Pyrite and halite mineral cluster

3299 × 2806

pyrite mineral specimen

1984 × 1768