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The sizes of coal

While on a trip around the United States I visited a place called The Anthracite Heritage museum. In it they had a really nice selection of the sizes of coal. I took pictures for you. Did you ever wonder if those names of coal sizes were actually indicative of something? Well they are!

And just for fun, at the bottom of the page is a one of a kind nugget of coal called a Black Diamond. It is a single nugget that weights 13,000 pounds.

There is a bit of a difference depending on which company produces the coal. But this is good scale of the sizes of coal as it is outlined and shown at the Anthracite Heritage Museum.

From largest to smallest they are: Egg, Stove, Chestnut, Pea, Buckwheat, Rice and Barley.

The Actual sizes in inches:

Egg: 3-1/4" x 2-7/16"

Stove: 2-7/16" x 1-5/8"

Chestnut:1-5/8" x 13/16"

Pea: 13/16" x 9/16"

Buckwheat: 9/16" x 3/16"

Rice: 3/16" x 3/16"

Barley: 3/16" x 3/32"

Egg sized coal


Stove Sized Coal


Chestnut sized coal


Pea sized coal


Buckwheat sized coal


Rice sized coal


Barley Sized coal


The Black Diamond Nugget of Coal.