Datolite With Quartz

Unknown Owner

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Gemmy, pastel green, datolite crystals, to 2 cm across, are associated with truly unusual quartz crystals. The quartz crystals, to 6 cm in length, exhibit what might be milky overgrowths which give way to gemmy, "poker chip" development said to result from intergrowth with calcite that I snow dissolved and gone. These are BIZARRE specimens! I have not seen one in a decade, and they seldom turn up now. The unusual form as well as the association make this specimen a special piece. Not sure why it was passed on to me in the rarities suite, but there ya have it....