Quartz and Citrine Cluster

800 × 600

Black and Green Crystals

1280 × 853

Crystal Cluster with Citrine

1200 × 800

Gold-bearing Rock Specimen

800 × 600

pyrite mineral specimen

2048 × 1536

Faceted mineral specimen

2122 × 1014

Mineral specimen with black and yellow crystals

2000 × 1550

mineral specimen with crystals

2319 × 1770

blue mineral specimen

3023 × 2602

blue crystal mineral specimen

817 × 1309

crystalline mineral specimen

2560 × 1920

yellow crystal mineral specimen

1774 × 1800