Cobalt metal samples

5120 × 3136

metallic rod with fragments

1021 × 698

Metallic element samples

1920 × 1080

Samples of the element niobium

5472 × 2988

Samples of metallic elements

1920 × 1080

crystalline metal fragment

1024 × 768

Iridescent bismuth crystals

1506 × 994

silver crystal formation

730 × 730

Rainbow bismuth crystal

4000 × 2719

Red crystal mineral specimen

1923 × 1301

Blue mineral specimen

2694 × 1789

Lithium-133 element symbol

1024 × 768