bituminous coal close to anthracite - Hay Gulch Mine, Hesperus Colorado - UNIT OF 10 SMALLER SPECIMENS
The name anthracite was derived from the Greek word anthrax, the name given to it by the philosopher Theophrastus, a pupil of Aristotle. Bituminous coal was named under the mistaken impression that it contained bitumen, a group of hydrocarbons including tar and asphalt.
This coal is Cretaceous in age, from the Menefee Formation of the Mesaverde Group. It is from the Hay Gulch Coal Mine near Hesperus, in La Plata County, Colorado.
These specimens ship First Class unless combined with other purchases.
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The photo is representative of what we ship. These definitely are not the tiny fingernail size that we don't like to see in a classroom, just slightly smaller than our normal student specimens of this coal.
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