pyrite mineral specimen

1984 × 1768

pyrite mineral cluster

2570 × 1710

Yellow mineral crystals on rock

4368 × 2912

Red topaz crystal on rock

1280 × 950

Green Mineral Cluster — Neutral

2660 × 1724

Amethyst Crystal Cluster — Purple, Neutral

1600 × 1200

Blue Aquamarine Crystal

800 × 600

purple crystal specimen

1500 × 1111

green beryl crystal specimen

1198 × 942

blue crystal cluster

1400 × 1050

blue crystal cluster

1600 × 1000

Amethyst crystal cluster

2016 × 1344