Ultrapure neodymium under argon, 5 grams. Original size in cm: 1
<a href="https://en.wikipedia.org/wiki/User:Jurii" class="extiw" title="en:User:Jurii">Jurii</a>
CC BY 1.0
<a rel="nofollow" class="external free" href="http://images-of-elements.com/neodymium.php">http://images-of-elements.com/neodymium.php</a>