35744: Pyrobitumen and Quartz - $14 Fonda, Mohawk Township, Montgomery County, New York Small cabinet - 6.8 x 6.4 x 3.2 cm 178 grams Specimen status: Available Send an email with specimen number to order A lump of dull, pitch black and friable
pyrobitumen (anthraxolite), 1.8 cm across, sits in a
partial quartz-lined vug. These quartz crystals reach 1.3
and most (if not all) are terminated. Pyrobitumen is a
mineraloid with disorganized structure and highly variable
composition, formed by polymerization of petroleum over
geological time. Self standing for display but
photogenically challenged.
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