Red crystals on rock specimen

2760 × 1938

blue crystal mineral specimen

817 × 1309

mineral specimen with crystals

2319 × 1770

Mineral specimen with black and yellow crystals

2000 × 1550

crystalline mineral specimen

2560 × 1920

Red and black mineral specimen

1400 × 1171

blue mineral specimen

3023 × 2602

yellow crystal mineral specimen

1774 × 1800

pyrite mineral specimen

2048 × 1536

Faceted mineral specimen

2122 × 1014

green mineral specimen

1600 × 900

green mineral crystal cluster

3311 × 4061