Red and black mineral specimen

1400 × 1171

Red crystal mineral specimen

3301 × 4000

Cluster of Citrine Crystals — Orange

1600 × 1200

Yellow Mineral Crystals

2288 × 1712

Mineral Specimen with Crystals — White

1024 × 768

Red crystal mineral specimen

3008 × 2000

green and red mineral specimen

2569 × 2098

Cluster of Brown Crystals — Neutral

1280 × 879

pyrite cube cluster

1600 × 1295

Blue and White Mineral Cluster — Dramatic

3630 × 2482

Green Mineral Cluster — Yellow

1280 × 767

Blue Crystal Cluster — Dramatic

800 × 600