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Unk 2

Locality: Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA

Off-white, radial crystal aggregates with a crude hexagonal outline, much smaller than 1mm, were found in association with allanite-(Ce). This mineral could be an alteration product of allanite-(Ce) such as the REE fluoro-carbonate, bastnäsite-(Ce). FOV~ 2mm. P. Cristofono specimen and photo.

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Photo added: 12th Feb 2012

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