Contributed by collector no. 4
Titanium group: dull gray Titanium pieces, dull gray Zirconium chunks, and a few small slugs of Hafnium in bottles
Contributed by @plazmatter0430
Two chunks of Zirconium metal: a small wedge-shaped chunk, and a larger bent-cylinder shaped chunk with a bumpy surface
Contributed by collector no. 3
The Titanium metal group: Titanium , Zirconium , and Hafnium
Single crystal chunk of Zirconium metal
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