LIANDRATITE U(Nb,Ta,)2O8 Hexagonal

Description: Liandratite is a rare yellow to brown mineral found as metamict crusts in granite pegmatites.

MARATHON COUNTY: Liandratite has been tentatively identified from the pegmatites at the Koss Pit (SW sec. 2 T.27 N. R.5E.) SW of Rib Mountain. (Buchholz, Falster and Simmons, 1999, 2000)
- Liandrite/ petscheckite is found in pegmatites at the Wimmer #3 Pit (SW sec. 2 T.27 N. R.5E.) SW of Rib Mountain. (Buchholz, and Simmons, 2002)

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