cluster of quartz crystals

1800 × 1474

cluster of calcite crystals

3200 × 2636

close-up of amethyst crystals

1920 × 1080

Earth's core structure

1280 × 800

Agate stone cross-section

1920 × 1200

Close-up of agate stone

1920 × 1200

cross-section of agate geode

1092 × 795

Geological cross-section of Earth's crust

2888 × 2164

tree ring cross-section

1920 × 1080

cracked rock with mineral veins

3456 × 2304

black rock mineral specimen

1280 × 960

iridescent mineral crystals

1272 × 1024

Iridescent mineral crystals

1280 × 791

fluorescent mineral under UV light

2048 × 1536

Red-orange mineral crystals

3008 × 2000

crystalline formation on rock

1122 × 798

kiwi fruit cross-section

1920 × 1200

tree ring cross-section

1920 × 1200

black and white apple cross-section

1366 × 768

plant stem cross-section

1584 × 1449