Blocky white amblygonite with quartz, in outcrop near Fern, Wisconsin.
Amblygonite (Li,Na)Al(PO4)(F,OH) Triclinic
Description: Amblygonite is generally found as massive white cleavable masses in complex granite pegmatites.
Blocky white amblygonite with quartz, in outcrop near Fern, Wisconsin.
FLORENCE COUNTY: Amblygonite masses up to 5 cm. across occur in zoned pegmatites in sec. 22 T.39N. R.17E., near Fern. (Koehler, 1989).
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