cross-section of agate geode

1092 × 795

blue crystal cluster

1400 × 1050

blue crystal cluster

1600 × 1000

Amethyst crystal cluster

2016 × 1344

blue crystal cluster

1280 × 1024

Blue agate geode slice

1863 × 1867

vibrant amethyst crystal cluster

2048 × 1654

Close-up of orange agate geode

1920 × 1200

Layered Agate Stone — Red

1920 × 1200

vibrant mineral formation

1600 × 1000

Yellow mineral crystals on rock

4368 × 2912

Red topaz crystal on rock

1280 × 950