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LocalitiesBuranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

30th Dec 2017 02:29 UTCReiner Mielke Expert

I think that some of the blue mineral that is found there is hercynite not scorzalite. Here is an XRD pattern for a sample of montebrasite and berlinite that has zones of blue in it that XRD suggests is blue hercynite. There may be some scorzalite but it is relatively minor in this sample and barely shows up.

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