Purple mineral specimen with black crystals

3048 × 1744

Scolecite Mineral Specimen

1024 × 768

Blue mineral crystals on display

3072 × 2304

green crystals on rock specimen

2700 × 2025

Gold Crystals on Rock

1239 × 1024

Blue Mineral Specimen — Dramatic

1338 × 996

Red Mineral Specimen

800 × 600

Red crystal mineral specimen

1923 × 1301

Blue mineral specimen

2694 × 1789

Green Crystals on Rock — Neutral, Photograph

1190 × 850

Green Crystals on Rock — Neutral

1190 × 850

Green Crystals on Rock — Dramatic

3852 × 2478