(1.0" x 1.5" Rocks)
Coal Rock Set # 1 shows the basic stages of how coal is made in the earth
and the basic similarities and differences between different kinds of coals.
This set comes with an information sheet and these 6 samples / specimens:
Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite and Graphite.To buy Coal Rock Set # 1 at $9.95 U.S. each, press the "Add to Cart"
button below. For more information, press the "Email ONTA" underlined link.
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