pyrite mineral specimen

1984 × 1768

pyrite mineral cluster

2570 × 1710

Yellow mineral crystals on rock

4368 × 2912

Red topaz crystal on rock

1280 × 950

blue crystal cluster

1400 × 1050

blue crystal cluster

1600 × 1000

Amethyst crystal cluster

2016 × 1344

blue crystal cluster

1280 × 1024

purple quartz crystal

4288 × 2848

blue crystal cluster

3840 × 3072

crystalline formation on rock

1122 × 798

cross-section of agate geode

1092 × 795

Geode cross-section patterns

1600 × 1200

Grossular Garnet Cluster

1280 × 912

Blue agate geode slice

1863 × 1867

pyrite mineral cluster

1969 × 1270

pyrite mineral specimen

5356 × 3229

green crystal mineral specimen

2292 × 2909

hexagonal mineral crystal

4438 × 3605

Pyrite specimen in display case

3072 × 2304