Vlasovite, Gittinsite, Kipawa Alkaline Intrusive Complex, Sheffield Lake, Quebec.
Here are a couple of rare zirconium silicate minerals from an interesting geological environment. These specimens all considt of a mass of vlasovite, usually a rounded crystal, in deep pink eudialyte. In some of the specimens, the vlasovite has an alteration rim of white gittinsite or alteraered fractures of gittinsite. You'll see from the pictures. Some of the vlasovits have no associated gittinsite. Interesting and rare association!
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Click on any of the following thumbnails to view a larger image of the specimen.