Generic Eisco Bituminous Coal Specimen (Sedimentary Rock), Approx. 1" (3Cm) - Pack Of 12  (Multicolor)

Eisco Bituminous Coal Specimen (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12 Twelve bituminous coal samples approximately 1" (3cm) in size | Bituminous coal is mined heavily around the world | Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements | Students can get a close look at a material that powers the world | Specimen comes in clear labeled and barcoded bag for ideal storage Coal is formed in anoxic environments from compressed organic matter, and is used worldwide as a fuel source. Bituminous coal has a vitreous sheen, distinguishing it from other coals and sedimentary rocks. Coal is useful as a marker for how much compression was needed to create it, and for learning about the unique anoxic conditions under which it formed.