Red topaz crystal on rock

1280 × 950

green beryl crystal specimen

1198 × 942

blue crystal cluster

1280 × 1024

Colorful opal gemstone

1843 × 868

vibrant opal gemstone

1670 × 1290

Opal Mineral Specimen

1024 × 768

shiny mineral specimen

3456 × 2304

iridescent ammonite fossil

1600 × 1200

Blue Aquamarine Crystal

800 × 600

Yellow mineral crystals on rock

4368 × 2912

black rock mineral specimen

1280 × 960

Emerald Crystals on Matrix — Green

800 × 600