Purple mineral specimen with black crystals

3048 × 1744

Blue Mineral Specimen — Dramatic

1338 × 996

Cluster of Brown Crystals — Neutral

1280 × 879

Mineral specimen with crystals

2647 × 1845

Red Mineral Specimen

800 × 600

Mineral Specimen with Crystals — White

1024 × 768

Red and Black Mineral Cluster

1800 × 1276

Red crystal mineral specimen

3008 × 2000

Mineral specimen with crystals

2700 × 2025

Yellow Mineral Crystals

2288 × 1712

Mineral Specimen with Crystals — White, Neutral

1280 × 921

Black Crystals on Rock

1280 × 878