Contributed by @plazmatter0430
A small chunk of Thallium in a bottle under oil
Contributed by collector no. 3
Boron group: amorphous brown Boron powder, dark crystalline Boron , a bottle of Aluminum slugs, Gallium pellets, thick Indium wire, and a small piece of Thallium metal
Small piece of dull gray Thallium metal in an ampoule, itself in a bottle. Despite looking innocent, Thallium is arguably the most poisonous chemical element, even more so than Arsenic . Even holding this metal is a terrible idea, because it can get through your skin!
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