Agate Stone Cross-section — Red

1500 × 938

cluster of quartz crystals

1800 × 1474

cluster of calcite crystals

3200 × 2636

Aquamarine crystals on matrix

3648 × 2736

Sliced Agate Geode

1500 × 938

Blue Agate Geode — Abstract

1280 × 1024

cluster of mineral crystals

1024 × 803

Red and white mineral crystals

1076 × 1400

Close-up of a mineral crystal

1600 × 1200

gray rock with white veins

1220 × 908

Cross-section of Kiwi Fruit — Green, Vibrant

1920 × 1200

Cluster of Amethyst Crystals — Purple

1280 × 800