Silver is one of a handful of minerals that are chemical elements occurring in nature in an uncombined form. These are termed 'native',e.g. native gold,native silver,etc. Metallic silver is not uncommon in silver deposits around the world,and occurs as well-formed crystals and also as extremely elongated crystals called 'wires'. Wire silver is attractive and prized by collectors. The material from Germany is typical | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Arem, Joel |
Taille de l’image : | 3855 px × 2553 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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