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3D3DCoal sample.
This is a little bag of coal handed out at a science teacher trade show by the Illinois Office of Coal Development to promote the idea that Illinois coal is a good thing to burn in a power plant. Kind of like the uranium fuel pellets handed out by nuclear power companies for more or less the same public-relations reasons.
Source: Office of Coal Development
Contributor: Office of Coal Development
Acquired: 13 February, 2007
Text Updated: 14 February, 2007
Price: Donated
Size: 2"
Purity: >80%