# Wolfram evaporated crystals and 1cm3 cube

- By: Alchemist-hp (talk) (www.pse-mendelejew.de)
- Date: 2010-05-24
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Wolfram_evaporated_crystals_and_1cm3_cube.jpg)
- Rights: [FAL](http://artlibre.org/licence/lal/en)
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Wolfram_evaporated_crystals_and_1cm3_cube.jpg/1920px-Wolfram_evaporated_crystals_and_1cm3_cube.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Tungsten rods with evaporated crystals, partially oxidized with colorful tarnish. Purity 99.98 %, as well as a high pure (99.999 % = 5N) 1 cm3 tungsten cube for comparison.