White Gypsum Crystals

1024 × 768

pyrite mineral cluster

1969 × 1270

pyrite mineral specimen

5356 × 3229

pyrite mineral cluster

2570 × 1710

Quartz Mineral Specimen

1024 × 768

blue mineral specimen

3008 × 2000

Red crystal mineral specimen

1923 × 1301

green crystal cluster

3252 × 1736

Blue mineral specimen

2694 × 1789

purple and white mineral cluster

2666 × 1800

blue crystal cluster

1440 × 900

Amethyst crystal cluster

3200 × 1754

Red topaz crystal on rock

1280 × 950

Geode cross-section patterns

1600 × 1200

glowing green rock

1024 × 754

Grossular Garnet Cluster

1280 × 912

Fossilized Pyrite Specimens

1024 × 768

Apophyllite Mineral Specimen

1024 × 768

Amethyst Crystal Cluster — Purple, Calm

2560 × 1920

Red crystal mineral specimen

3301 × 4000