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| oph·ite [ ṓ ft ] |
noun |
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| Definition: |
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mottled green rock: a mottled green rock, e.g. diabase or dolerite, that is made up of small long plagioclase crystals surrounded by larger pyroxene crystals
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| [Mid-17th century. Via Latin< Greek ophitēs "serpentine stone" < ophis "snake"; from its markings, which are like a snake's] |
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