cluster of brown crystals

1060 × 795

Red and white mineral crystals

1076 × 1400

Yellow Mineral Crystals — Neutral

1020 × 698

Red-orange mineral crystals

3008 × 2000

Green and White Crystals

1280 × 963

Red and White Crystals

1276 × 850

green and brown mineral specimen

1024 × 802

cluster of quartz crystals

1800 × 1474

cluster of calcite crystals

3200 × 2636

Aquamarine crystals on matrix

3648 × 2736

Pyrite Mineral Cluster — Gray

1360 × 1024

Red and Black Mineral Cluster

1800 × 1276