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wurtzilite

American  
[wurt-suh-lahyt] / ˈwɜrt səˌlaɪt /

noun

  1. a massive black bituminous substance, similar to asphalt but having a high degree of elasticity.


Etymology

Origin of wurtzilite

1890–95, named after Henry Wurtz (died 1910), American mineralogist; -i-, -lite