Contributed by @plazmatter0430
Acid-etched disc of Tin, showing its poly-crystalline inner structure
A collection of silvery ingots, from left to right: Tin , Lead , Zinc , Bismuth , and Aluminum
Contributed by collector no. 3
Two samples of Tin metal in its two common forms. In the bottle on the left: multiple finger-shaped crystals of shiny metallic beta-Tin, the metal that most people know about. In the small bottle on the right: small chunks of dark gray non-metallic alpha-Tin, more commonly known as Tin Pest.
Carbon group elements! from left to right: Carbon , Silicon , Germanium , beta- Tin pest, alpha- Tin metal, Lead shot
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