Prehnite

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Prehnite (Min) A pale green mineral occurring in crystalline aggregates having a botryoidal or mammillary structure, and rarely in distinct crystals. It is a hydrous silicate of alumina and lime.
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Century Dictionary and Cyclopedia
    • prehnite A mineral, usually of a pale-green color and vitreous luster, commonly occurring in botryoidal or globular forms with crystalline surface. It is a hydrous silicate of aluminium and calcium, allied to the zeolites, and is found with them in veins and geodes, most frequently in rocks of the basaltic type. Also called edelite.
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Chambers's Twentieth Century Dictionary
    • n Prehnite pren′īt a hydrous silicate of alumina and lime, usually of a pale-green colour.
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Etymology

Webster's Revised Unabridged Dictionary
So called from the German Colonel Prehn, who first found it
Chambers's Twentieth Century Dictionary
Named after Prehn, the discoverer of the mineral.