Gold on quartz specimen

2974 × 2912

blue metallic mineral cluster

4824 × 3099

Calcite crystal cluster

3072 × 2304

Blue Mineral Cluster

3008 × 2000

Pink Mineral Specimen

1055 × 960

Gold Mineral Specimen — Dramatic

1191 × 850

Iridescent mineral specimen

1824 × 1551

Blue Kyanite Crystal

1800 × 1317

Colorful mineral crystal cluster

2418 × 3000

Blue and Green Mineral Cluster

1280 × 850

Blue Crystal Cluster — Dramatic

800 × 600

Pyrite Mineral Cluster — Gray, Dramatic

1828 × 1858