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3D3DWeird lump.
This is an irregular lump of zirconium, probably arc-melted: The seller described it as being a side effect of attempting to alloy zirconium with scandium, so I'm assuming it's not very high purity.
Source: eBay seller chregasana
Contributor: Theodore Gray
Acquired: 23 December, 2007
Text Updated: 23 December, 2007
Price: $10
Size: 1"
Purity: 99%