| chabazite | (noun) a group of minerals of the zeolite family consisting of a hydrous silicate of calcium and aluminum | Synonyms: chabasite |
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| kunzite | (noun) a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone | - |
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| monazite | (noun) a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium | - |
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| quartzite | (noun) hard metamorphic rock consisting essentially of interlocking quartz crystals | - |
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| wurtzite | (noun) a brownish-black mineral consisting of zinc sulfide | - |
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