This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionStrontium destilled crystals.jpg
Version 1.0
Deutsch: Das chemische Element Strontium in kristalliner Form, unter Argon in einer Glasampulle, im Hochvakuum per Destillation gereinigt, Reinheit 99,95 %. Größe der Abbildung ca. 3cm * 4,7cm
English: The chemical element strontium as synthetic crystals, sealed under argon in a glass ampoule, purity (99.95 %). Size of the image ca. 3cm * 4,7cm
Français : Cristaux synthétiques de strontium, scellés sous argon dans un tube de verre. 99,95% de taux de pureté. Taille de la vue : 4,7 x 3 cm
made by focus stacking software from 25x single JPG shots.
This photo was taken by Alchemist-hp. If you use one of my photos, an email (account needed) or a message or direct to: my email account would be greatly appreciated. Please note the license terms. Other licensing terms can get discussed, too.
Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the Copyleft Attitude site as well as on other sites. http://artlibre.org/licence/lal/enFALFree Art Licensefalsetrue
This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: 'Strontium'. You can see its nomination here.
Captions
Chemical element strontium as synthetic crystals
Химический элемент стронций в виде синтетических кристаллов, запаянных в атмосфере аргона в стеклянной ампуле, чистота (99,95 %). Размер изображения примерно 3см * 4,7см.