staurolite

(stôr′ə līt′)

noun

a dark-colored mineral, (Fe,Mg)AlSiO(OH), a silicate of iron and aluminum: the crystals are often found twinned in the form of a cross

Origin: Fr < Gr stauros, a cross, post < IE *steu- > ON staurr, post (see store) + -lite, -lite

Related Forms:

See staurolite in American Heritage Dictionary 4

noun

A brownish to black mineral, chiefly (FeMg)₂Al₉Si₄O₂₃(OH), often having crossed intergrown crystals and sometimes used as a gem.

Origin:

Origin: Greek stauros, cross; see stā- in Indo-European roots

Origin: + -lite

Related Forms:

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