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staurolite

play
noun stau·ro·lite \ˈstȯr-ə-ˌlīt\

Definition of staurolite

  1. :  a mineral consisting of a basic silicate of iron and aluminum in prismatic orthorhombic crystals often twinned so as to resemble a cross

staurolitic play \ˌstȯr-ə-ˈli-tik\ adjective


Origin of staurolite

French, from Greek stauros cross + French -lite — more at steer


First Known Use: circa 1815


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