glance pitch

mineral

Also known as: manjak

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Last updated

June 17, 2026

Quick Summary

Glance pitch is a type of asphaltite, a naturally occurring solid bitumen. Asphaltites are dark brown to black and are characterized by large molecules. They are distinct from asphalts because they are insoluble in petroleum naphthas and do not fuse readily. Glance pitch is one of three main classifications of asphaltites, alongside Gilsonite and grahamite. Glance pitch is primarily found on Barbados and in Colombia.12

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asphaltite
…three groups: Gilsonite (or uintaite), glance pitch (or manjak), and grahamite. These substances differ from one another basically in terms of specific gravity and temperature at which they soften. Gilsonite occurs chiefly along the Colorado–Utah border, U.S.; glance pitch on Barbados and in Colombia; and grahamite in Cuba and Mexico,…
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…three groups: Gilsonite (or uintaite), glance pitch (or manjak), and grahamite. These substances differ from one another basically in terms of specific gravity and temperature at which they soften. Gilsonite occurs chiefly along the Colorado–Utah border, U.S.; glance pitch on Barbados and in Colombia; and grahamite in Cuba and Mexico,…
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