pyrite mineral cluster

2570 × 1710

pyrite mineral specimen

5356 × 3229

Red mineral crystal cluster

960 × 640

Red topaz crystal on rock

1280 × 950

purple quartz crystal

4288 × 2848

blue crystal cluster

3840 × 3072

Grossular Garnet Cluster

1280 × 912

Blue agate geode slice

1863 × 1867

Calcite crystal cluster

3072 × 2304

copper nugget mineral specimen

2272 × 1704

Amethyst crystal cluster

3200 × 1754

close-up of crystal formation

4320 × 3240

glowing green rock

1024 × 754

blue and gold mineral cluster

1600 × 1200

green crystal mineral specimen

2292 × 2909

blue metallic crystal cluster

1200 × 771

Red crystal mineral specimen

1923 × 1301

Blue crystal mineral specimen

3072 × 2304

Blue mineral specimen

2694 × 1789

purple and black mineral specimens

2420 × 1576