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| py·ro·phyl·lite [ prō fí lt, pī róffə lt ] |
noun |
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| Definition: |
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silvery-white or greenish mineral: a silvery white or greenish mineral that is similar to talc in structure but contains hydrous aluminum silicate. Source: metamorphic rocks.
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| [Early 19th century. < German Pyrophyllit< Greek pur "fire" + phullon "leaf"; because it exfoliates when exposed to flame] |
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