Galena crystals. 19th-century illustration of a specimen of the mineral galena,a form of lead (II) sulphide. This ore is an important source of the metal lead. The specimen shown here is from Derbyshire,UK. This artwork,dated 1803,is from 'British Mineralogy',issued between 1802 and 1817 by British naturalist James Sowerby (1757-1822) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Royal Institution of Great Britain |
Taille de l’image : | 3506 px × 5039 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |