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My
periodic table poster
is now available!
Big hunk of galena.
This is a nice well-formed cube of galena (lead sulfide) from the Sweetwater mine in Missouri.
Source:
eBay seller arrowheadmine
Contributor:
Theodore Gray
Acquired:
11 March, 2009
Text Updated:
12 March, 2009
Price:
$66
Size:
3"
Composition:
Pb
S