black rock mineral specimen

1280 × 960

dark rock specimen

1824 × 1648

Mineral Crystals on Rock

2319 × 1770

Gold Mineral Specimen — Dramatic

1191 × 850

pyrite mineral specimen

2048 × 1536

green and brown mineral specimen

1024 × 802

Faceted mineral specimen

2122 × 1014

Mineral specimen with black and yellow crystals

2000 × 1550

crystalline mineral specimen

2560 × 1920

yellow crystal mineral specimen

1774 × 1800

green mineral specimen

1600 × 900

Blue Crystals on Rock

3072 × 2304