green and yellow mineral specimen

1024 × 716

Purple crystal specimen

4288 × 2848

Calcite crystal formation

3072 × 2304

blue crystal mineral specimen

3072 × 2304

green and brown mineral specimen

1024 × 802

crystalline mineral fragments

1757 × 1181

green mineral specimen

1600 × 900

Blue mineral specimen

2504 × 1912

green mineral crystal cluster

3311 × 4061

green mineral crystal cluster

2592 × 1944

Large Quartz Crystal

1280 × 946

Malachite mineral formation

1920 × 1200