Haiweeite on Microcline, Muscovite: Teófilo Otoni, Minas Gerais, Brazil

Description

Species: Haiweeite on Microcline, Muscovite
Locality: Teófilo Otoni, Minas Gerais, Brazil
Dimensions: 9 x 1.8 x 4.9 cm.

Superb, very rich specimen of well-crystallized haiweeite on pegmatite matrix from Teófilo Otoni, Minas Gerais, Brazil. This is one of the better specimens I have seen of this species from the locality. Measures ~40,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Rare!