stishovite

(stis̸h′ə vīt′)

noun

a very dense, tetragonal form of silica that is colorless and transparent

Origin: after S. Stishov, Soviet mineralogist who discovered it + -ite

See stishovite in American Heritage Dictionary 4

noun

A dense tetragonal polymorph of quartz that is formed under great pressure and is often associated with meteoroid impact.

Origin:

Origin: After Sergei Mikhailovich Stishov (born 1937), Russian mineralogist

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