# Hafnium pellets with a thin oxide layer

- By: Alchemist-hp (talk) (www.pse-mendelejew.de)
- Date: 2013-09-14
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Hafnium_pellets_with_a_thin_oxide_layer.jpg)
- Rights: [FAL](http://artlibre.org/licence/lal/en)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/e/ec/Hafnium_pellets_with_a_thin_oxide_layer.jpg/1920px-Hafnium_pellets_with_a_thin_oxide_layer.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Pure (99.9 %), argon arc remelted hafnium-ingots with visible crystalline structures. View of the front- and backside. Colors are a thin film effect in the oxide layer. The metal piece-photo was taken on a white glass plate.